Boiler compound
[机] 锅炉清净药剂, 锅水药剂
🧩 词语组成解析
🗣️ 情景例句
This small child is quite self-centered. Maybe he is spoiled by his family.
这个小孩挺以自我为中心的，可能是被家人宠坏了。
I must have dialed a wrong number.
我一定拨错号了。
Yes. It sounded like a train that was going under my house.
是的。这响声听起来像是一列火车在从我的房子下面驶过。