Ess
n. 字母S, S字形之物\\n[计] 电子交换系统
🗣️ 情景例句
with the question of whether I go back to work or not.
为我是否回去工作这个问题。
Scratch my back and I'll scratch yours.
朋比为奸。
It tires not, nor does it boast of its power;
它既不疲劳，也不炫耀自己的飞翔力；