音標(biāo)發(fā)音英式音標(biāo) [?k?t?v.?.ti]美式音標(biāo) [?k?t?v.?.t?i]國(guó)際音標(biāo) [?k'tiv?ti]英式發(fā)音 美式發(fā)音 基本解釋n.活動(dòng)；活躍vt.表演adj.厲害詞源解說 1540年左右進(jìn)入英語，直接源自中世紀(jì)拉丁語的activit，意為處于活躍的狀態(tài)。詞根記憶act(活動(dòng)) + ivity(名詞后綴)→活動(dòng)同根派生adj性質(zhì)的同根詞active：積極的；活躍的；主動(dòng)的；有效的；現(xiàn)役的。activated：活性化的；活潑的。actable：能演出的；能實(shí)行的。adv性質(zhì)的同根詞actively：積極地；活躍地。n性質(zhì)的同根詞active：主動(dòng)語態(tài)；積極分子。action：行動(dòng)；活動(dòng)；功能；戰(zhàn)斗；情節(jié)。act：行為，行動(dòng)；法令，法案；（戲劇，歌劇的）一幕，段；裝腔作勢(shì)。actor：男演員；行動(dòng)者；作用物。activation：[電子][物]激活；活化作用。activism：行動(dòng)主義；激進(jìn)主義。activator：催化劑；[助劑]活化劑；[助劑]激活劑；觸媒劑。activeness：主觀能動(dòng)性；活動(dòng)積極性。v性質(zhì)的同根詞activated：使激活；使活動(dòng)起來；有生氣（activate的過去分詞）。vi性質(zhì)的同根詞act：行動(dòng)；扮演，充當(dāng)；表現(xiàn)，舉止；假裝，演戲；起作用，見效。activate：激活；有活力。vt性質(zhì)的同根詞act：扮演；裝作，舉動(dòng)像。activate：刺激；使活動(dòng)；使活潑；使產(chǎn)生放射性。activity相關(guān)詞用法辨析n. (名詞)activity的基本意思是“活動(dòng)性,活力”,指人或事物本身所固有的活力,此時(shí)為不可數(shù)名詞。 activity也可指人們?yōu)榱诉_(dá)到某種目的而從事“繁忙的〔充滿活力的〕活動(dòng)”或“工作,消遣”等,此時(shí)activity為可數(shù)名詞,常用于復(fù)數(shù)形式。 復(fù)數(shù)形式的acticities有“活動(dòng)（范圍）”的意思，如social activities，school activities和human activities等； 也可以單數(shù)形式出現(xiàn)，如social activity和business activity，但是比較少見a social activity。 activity使用方法activity詳細(xì)辨析英漢例句用作名詞 (n.)The hall has been full of activity all day.大廳里整天都很熱鬧。activity更多例句詞組短語用作名詞 (n.)形容詞+～social -ties 社會(huì)活動(dòng)介詞+～full of activity 很熱鬧短語logistics activity 物流活動(dòng);物流physical activity 身體活動(dòng)，體育活動(dòng)；體力活動(dòng)activity account 作業(yè)賬戶;業(yè)務(wù)帳戶;生產(chǎn)經(jīng)營(yíng)活動(dòng)帳戶;功課賬戶Antioxidant activity 抗氧化活性;抗氧化能力;抗氧化;抗氧化性Activity Stream 活動(dòng)流;活動(dòng)信息流;勾當(dāng)流;信息流activity更多詞組英英字典劍橋英英字典(MOVEMENT) the situation in which a lot of things are happening or people are moving around(WORK) the work of a group or organization to achieve an aim(ENJOYMENT) something that is done for enjoyment, especially an organized event柯林斯英英字典 Activity is a situation in which a lot of things are happening or being done. An activity is something that you spend time doing. The activities of a group are the things that they do in order to achieve their aims. activity劍橋字典activity柯林斯字典專業(yè)釋義醫(yī)藥科學(xué)活性 clotting activity increaseing, easy thrombosis.②凝血活性增強(qiáng),易形成血栓。運(yùn)動(dòng)②Unhealthy eating behavior and lack of physical activity are main causes of childhood obesity.②不良的飲食行為和缺乏運(yùn)動(dòng)是引起兒童肥胖的主要原因。農(nóng)業(yè)科學(xué)活性Drought reduced POD and CAT activity.干旱下根系POD、CAT活性降低。活力The root activity slightly decreased and recovered formal growth after 6 days.3.根系活力降幅較小，6天后開始恢復(fù)生長(zhǎng)。活動(dòng)Horqin cattle has mainly intake and activity in the semi-fixed sand.科爾沁牛主要在半固定沙地上采食和活動(dòng)。活度At certain water activity （aw）, 25℃ was optimum for production of FB1 and FB2 on maize grain over a 30 days period for two tested strains.對(duì)于供試的二株再育鐮刀菌菌株,在水活度一定的條件下,25℃是它們產(chǎn)伏馬菌素B1、B2最適合的溫度。生物學(xué)活力Restoration of the activity is parallel to that of the conformation.活力的恢復(fù)與構(gòu)象的恢復(fù)兩者呈對(duì)應(yīng)關(guān)系。酶活The optimum pH for EstY activity was 9.0 and the optimum temperature was 50℃.其酶活的最適pH為9.0,最適溫度為50℃。活性活度經(jīng)濟(jì)學(xué)活動(dòng)E-government is an activity aiming at management and service.電子政務(wù)是一種管理與服務(wù)活動(dòng)。作業(yè)Chapter Two: Activity-Based Cost Management (ABCM).第二章：作業(yè)成本管理。積極性Further market equilibrium analysis showed that the implementation of policies such as trash fees, recycling subsidies were the effective economic instruments to enhance the activity of waste recovery and reuse for an economic people.4.進(jìn)一步的市場(chǎng)均衡分析表明,實(shí)行垃圾收費(fèi)、回收補(bǔ)貼等制度是提高經(jīng)濟(jì)人回收和再利用積極性的有效經(jīng)濟(jì)手段。法學(xué)能動(dòng)性Therefore,it is necessary to give the judge in the handling of hard cases of judicial activity.因此,有必要賦予法官在裁判疑難案件中一定限度的司法能動(dòng)性。計(jì)算機(jī)科學(xué)技術(shù)作業(yè)This is activity-based management content.這就是作業(yè)成本法中的作業(yè)管理內(nèi)容。活動(dòng)率活動(dòng)性文學(xué)能動(dòng)性When the reader reads the hypertext, his or her activity is brought into play.超文本的閱讀可以在不同的媒體和不同的文本形式中自由地轉(zhuǎn)換,讀者的能動(dòng)性被充分地發(fā)揮。能源科學(xué)技術(shù)放射性The widely used thorium-tungsten electrodes have radioactive activity. Its preparation and usage pollute environment and harm people’s health.目前廣泛使用的釷鎢電極具有放射性污染,在生產(chǎn)和使用過程中會(huì)危害人類健康污染環(huán)境。活度電子、通信與自動(dòng)控制技術(shù)動(dòng)作表示法物理學(xué)放射性放射強(qiáng)度放射性活度地球科學(xué)活度化學(xué)活性活力活度機(jī)械工程活度心理學(xué)活動(dòng)