Device category
[计] 设备种类
🧩 词语组成解析
🗣️ 情景例句
He made an impressive speech.
他发表了一篇感人的演讲。
It is never too old to learn.
为学不怕年高。
Please sign a copy of our Sales Contract No.156 enclosed here in duplicate and return to us for our file.
请会签第156号销售合同一式两份中的一份，将它寄回我方存档。