Planetesimal hypothesis
星子假说
🧩 词语组成解析
n. 星子, 小行星体
🗣️ 情景例句
It's OK, Harry.
没关系， Harry。
You say it, but you don't mean it.
口是心非。
We had a very good journey home.
我们回家的旅途很顺利。