Boiler scale
[机] 锅垢
🧩 词语组成解析
scale
[skel]
n. 规模;比例（尺）;鱼鳞;级别;
vt. 测量;攀登;刮去…的鳞片;
vi. 衡量;攀登;（鳞屑）脱落;生水垢;
scale(climb)→登；爬越；音阶；比例尺；规模；尺；尺上的刻度
🗣️ 情景例句
It's me, Grandpa.
是我， 爷爷。
You say it, but you don't mean it.
口是心非。
Mr.Wang is fixing his bike.
王先生在修他的自行车。