Generator efficiency
[电] 发电机效率
🧩 词语组成解析
🗣️ 情景例句
He is with someone right now. Would you hold?
他现在在会客。你可以稍等吗？
Do your children go to school yet?
府上的孩子们已经上学了吗？
Did you serve this gentleman half an hour ago, Caroline? He says he's the man who bought these books.
卡罗琳，半小时前你接待过这位先生吗？他说他就是买这两本书的人。