Yc
abbr. 云南商务管理体系（Yunnan Commodity和Yunnan Commerce的缩写）；重型橡套软电缆的一种型号
🗣️ 情景例句
My body is worn out.
我的身体累坏了。
To play with his son
和儿子玩耍
We have new methods like compensation trade and joint ventrue.
我们有补偿贸易和合资经营。