Category a
un. A类
🧩 词语组成解析
🗣️ 情景例句
May I use the phone?
我可以用电话吗
When one is about to act, one must reason first.
凡事要先思而后行。
This combines a typewriter keyboard, a printer and a computer.
这种机器把打字机键盘、打印机和电脑连接起来。