Ecafe
(联合国)亚洲及远东经济委员会
🗣️ 情景例句
if that's what you mean.
是这个意思吧。
Step after step the ladder is ascended.
按部就班，循序渐进。
The plane was then able to rise and it cleared the mountains by 400 feet.
于是飞机可以上升了，它在离山头400英尺的高度飞越了过去。