forward takeoff的用法和樣例：
例句
- Jumpers may use one or two markers to assist in their runup and takeoff.
運動員可用一兩個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，在起跳的那一時刻想其他辦法可不是好時機。
辭彙搭配
- take off 起飛
