forward takeoff的用法和樣例：
例句
- Jumpers may use one or two markers to assist in their runup and takeoff.
運動(dòng)員可用一兩個(gè)標記輔助預跑和起跳。 - If you are leaping a ravine, the moment of takeoff is a bad time to be considering alternative strategies.
如果你要跨越溝壑，在起跳的那一時(shí)刻想其他辦法可不是好時(shí)機。
詞匯搭配
- take off 起飛
