Mascons
(mascon 的复数) n. 质量密集
🗣️ 情景例句
I see.
哦。
If there's anything else I can do,please let me know.
如果有其他东西我能做的，请让我知道。
Two of his assistants had been working busily since eight o'clock and had only just finished.
他手下两名店员从早上8点就开始忙碌，这时刚刚布置完毕。