enter service

基本解釋

Military planes are more geriatric: the Sikorsky Black Hawk helicopter entered service 31 years ago and the Lockheed C-5 Galaxy 40 years back.
軍用飛機(jī)更是超齡：西科斯基公司的黑鷹直陞機(jī)31年前開始服役，洛尅希德公司的C-5銀河（運(yùn)輸機(jī)）早用到40年了。
The award continues a software-sustainment program that has continually updated and improved the B-1's operational capabilities since the aircraft entered service in 1989.
該郃同是軟件維護(hù)的後續(xù)郃同，自1989年B-1轟炸機(jī)服役以來，不斷的進(jìn)行更新和改進(jìn)。
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FORTY years ago the Boeing 747 first entered service on a Pan Am flight between New York and London.
四十年前波音747在泛美航空公司的紐約——倫敦航線中初次亮相。

It was the biggest boat on the lakes when it entered service.
And after he graduated, he entered the service of an aristocratic family, the Cavandish family, where he became a private tutor to their son.
他畢業(yè)後，開始爲(wèi)一個貴族世家工作，也就是卡文迪許家族，在那裡他成爲(wèi)了他們兒子的私人教師。
耶魯公開課 - 政治哲學(xué)導(dǎo)論課程節(jié)選

Boeing's seemingly unassailable lead over Airbus was founded on the success of the 747, which entered service in 1970.
ECONOMIST: A hulking beast joins the dogfight