second rocket stage的用法和樣例:
例句
- As the first rocket burns out, the second-stage motor ignites.
當第一級火箭燃料燒盡時(shí),第二級火箭的發(fā)動(dòng)機就點(diǎn)燃了。
- As the step rocket goes up,some of the stages at the side fall away.
當多級火箭上升時(shí),邊上的幾級火箭就脫落了。
second rocket stage的相關(guān)資料:
臨近單詞
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