Ches
abbr. 中国水利协会（Chinese Hydraulic Engineering Society）；套管井勘探服务
🗣️ 情景例句
And my father, Dr. Philip Stewart.
这是我父亲， Philip Stewart医生。
My son has outgrown these trousers.
我儿子已经长的穿不了这条裤子了。
The explanation was simple but very unusual.
解释很简单，却异乎寻常。