Planetesimal hypothesis
星子假说
🧩 词语组成解析
n. 星子, 小行星体
🗣️ 情景例句
Well, thanks a lot.
那，多谢了。
One foot is better than two crutches.
一只脚胜过两根拐杖。
You played beautifully.
你弹得太美了。