常見(jiàn)例句But America's air force continued to experiment, converting a small jet-powered target drone, the Firebee, into an unmanned spy plane called the Lightning Bug. 但是美國(guó)空軍仍沒(méi)放棄進(jìn)一步的試騐，他們將一架小型噴氣動(dòng)力的靶機(jī)“火蜜蜂”轉(zhuǎn)變爲(wèi)一架無(wú)人駕駛的偵察機(jī)，竝取名爲(wèi)“閃電蟲(chóng)”。 返回 Firebee