Geocinetics
地壳运动学
🗣️ 情景例句
When you learn a new verb, learn its various forms.
学到了新动词时，记住它的各种形式。
When the accident happened, I was having dinner.
当意外事故发生时候，我在吃晚餐。
She had a bad cold.
她患了重感冒。