Planetesimal hypothesis
星子假说
🧩 词语组成解析
n. 星子, 小行星体
🗣️ 情景例句
But first you have to smile.
但首先你得笑一笑。
We all do fade as a leaf.
我们都要像树叶一样枯萎。
The bridge is so long that the shape of the earth had to be taken into account by its designer.
由于桥身太长，设计者不得不考虑了地表的形状。