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
I'm not really sure.
我不是太有把握。
He that once deceives is ever suspected.
骗人一次，受疑一世。
He had had a long and uncomfortable trip, for he had been confined to the wooden box for over eighteen hours.
他经历了一次漫长而又难受的旅程，因为他在那木箱里闷了18个多小时。