Planetesimal
n. 星子, 小行星体
🗣️ 情景例句
John is tied up at the present time.
John现在有事。
Her rudeness went too far.
她太粗鲁了。
Mr. Smith knew Jack didn't look at the others because he was nervous.
史密斯先生知道杰克不敢看别人是因为紧张。