Incrustant
水垢
🗣️ 情景例句
78 percent of black high-school graduates are unemployed.
百分之四十八的黑人高中毕业生失业。
The typewriter is out of order.
这打字机出毛病了。
trying to escape from avenging boredom by mere clatter and motion.
企图以闲聊和乱窜来摆脱无聊对他们的报复，但这是徒劳的。