Mechanical equilibrium
[化] 机械平衡; 力学平衡
🧩 词语组成解析
🗣️ 情景例句
She suffered terribly when her son was killed.
儿子被杀，她痛苦至极。
You can count on me.
你可以放心。
She's been there for two months. She's been there since September.
她进校有两个月了。她自9月份起便在那儿学习了。