Echelons
n. （机构中的）等级, 阶层( echelon的复数形式 ); （军舰、士兵、飞机等的）梯形编队
🗣️ 情景例句
I do.
我愿意。
When he opened the door the cat ran out and brushed by his legs.
当他一开门，那只猫跳了出来，偎依在他的脚边。
What is called 'modern civilization' is not the result of a balanced development of all man's nature.
所谓“现代文明”并不是人的天性平衡发展的结果，