Nitrogen equilibrium
[化] 氮平衡\\n[医] 氮平衡, 蛋白质平衡
🧩 词语组成解析
🗣️ 情景例句
You don't need to call a plumber, I can fix the sink.
你不必请水管工人了，我会修水槽。
Wit once bought is worth twice taught.
亲身一次的经验，抵得上老师两次的教导。
Three months passed, and then one morning, Sam found his wallet outside his front door.
3个月过去了，后来在一天早晨，萨姆在自己的大门外发现了他的钱包。