Kitting
移挪补空
🗣️ 情景例句
I know what you mean. I'v been there.
我明白你的意思。 我深有体会。
Then, all of a sudden, it became cloudy and began to rain.
可是突然天就变了，乌云密布并下起雨来。
In this way, we have learned all that we know of the laws of astronomy,
例如，用这种方法，我们完全掌握了天文学的规律。