Qcb
队列控制块
🗣️ 情景例句
While my car is in the shop, they have given me a courtesy car to drive around.
我的车还在修理店时，他们给我一辆替代车用。
Great designs require great consideration.
宏伟的计划须要慎重考虑。
How long has he been like this?
他像这样有多久了？