Ech
abbr. echelon 梯形，梯次编队
🗣️ 情景例句
Please call me Mary. That's my first name.
请叫我玛丽吧，那是我的名字。
It's no sin to sell dear, but a sin to give ill measure.
高价卖不为过，短斤少两才有罪。
I learnt that I had passed the test.
我获悉我测验及格了。