Ches
abbr. 中国水利协会（Chinese Hydraulic Engineering Society）；套管井勘探服务
🗣️ 情景例句
Let me think.
让我想想。
Take a bad spill!
跌个狗吃屎！
Li Lei ran much faster than the other boys.
李磊跑得比其他男孩快得多。