Ech
abbr. echelon 梯形，梯次编队
🗣️ 情景例句
Lacks planning for career, has no purpose or goals.
对自己的事业没有安排，没有目标和理想。
I think you're mistaken about that.
我想你那样不对。
The most economical age to capture an elephant for training is between fifteen and twenty years,
捕捉15至20岁之间年龄的大象进行驯练最为经济。