Onc
(英国的)国家普通考试合格证书\\n[计] 开放网络计算
🗣️ 情景例句
Tell me about your educational background.
告诉我你的学习背景。
If you want to be healthy, you have to stop smoking a pipe.
如果你要身体健康的话，必须停止抽烟斗。
They then knew that they had discovered the cause of the fire.
这时调查人员知道他们找到了发生火灾的原因了。