Background region
[计] 后台区
🧩 词语组成解析
🗣️ 情景例句
This has been a hard course for me.
这门课对于我来说很难。
Our packing charge includes $1 for the drum, which sum will be credited on return.
包装费中有1美元是包装桶的费用，此费用在桶还给我们时可退回。
I can't see. I think they're in her pencil-box.
我看不到。我想大概在她的铅笔盒里。