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
Is it too late to cancel our plans?
现在取消我们的计划是否太迟了？
It seems he's generous.
看起来他好像很大方。
There is no doubt about it.
那是毫无疑问的。