常見(jiàn)例句The saber toothed cat, Smilodon fatalis, existed in North and South America until 10,000 years ago. 有好像劍一樣長(zhǎng)牙齒的貓科動(dòng)物,也就是我們所說(shuō)的劍齒虎。大約在1萬(wàn)年之前劍齒虎生長(zhǎng)於美國(guó)南部和北部地區(qū)。Those first Americans hunted now extinct animals: wooly mammoths and saber toothed cats, and sheltered themselves in rock overhangs and caves. 第一批美國(guó)人發(fā)現(xiàn)且現(xiàn)存的動(dòng)物有:毛象和劍齒貓,他們棲息於突出的巖石下和洞穴內(nèi)。Ahnost a million years ago, saber tooth tigers, giant sloths and other monsters stumbled into the pits where they were preserved forever in the sticky tar. 大約一百萬(wàn)年以前,長(zhǎng)著劍齒的老虎、巨大的嬾猴和其他龐然大物突然跌進(jìn)坑內(nèi),它們?cè)谡衬z似的瀝青裡被永久保存了下來(lái)。A soldier came up to her with a drawn saber. 一個(gè)士兵拔出馬刀曏她走來(lái)。I was given gas when they pulled my tooth out. 給我拔牙時(shí)用了一氧化二氮。A film of mucus and bacteria on a tooth surface. 齒菌斑牙齒表麪一層粘液和細(xì)菌的膜 返回 saber-toothed