Ycs
(yc 的复数) 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
We have 5 international patents which we are ready to sell.
我们有五项国际专利可以出售。
A proper amount of exercise contributes to good health.
适度的运动有益于健康。
When he died, however, his brothers found it impossible to keep the secret any longer.
他死后，他的弟弟们才觉得无法再保守这个秘密了。