Pgs
abbr. predicted ground speed 预测地面速度
🗣️ 情景例句
Typing is easy once you get the hang of it.
一旦你掌握诀窍，打字就很简单。
To wait hungrily
饿着肚子等着
I'm afraid that Jim will miss a lot of his lessons.
恐怕这么一来，吉姆要缺很多课了。