Trub
冷却残渣; 含煤页岩
🗣️ 情景例句
Did they write some bad news?
他们写了什么坏消息吗？
Walls (or Pitchers) have ears.
隔墙有耳。
There is another good reason for taking a part-time job.
干兼职工作还有一条充分的理由。