Gravipause
[航空]重力分界
🗣️ 情景例句
I'm with you.
我知道你的意思。
To examine the problem
检讨问题
If we remain inveterate smokers, it is only because we have so often experienced the frustration that results from failure.
如果我们烟瘾大，戒不掉，那是因为屡戒屡败，失去信心。