基本解釋[航空、航天科學(xué)技術(shù)]爲(wèi)預(yù)防起見英漢例句雙語例句His cunning began here; he smiled habitually, by way of precaution, and was almost polite to everybody, even to the beggar to whom he refused half a farthing.他爲(wèi)了防備他人而臉上經(jīng)常帶笑，幾乎對所有的人，即使對一個曏他討一文錢而不得的乞丐，也都客客氣氣。by way of precaution更多例句專業(yè)釋義航空、航天科學(xué)技術(shù)爲(wèi)預(yù)防起見