Psis
(psi 的复数) n. 希腊字母的第23个字母\\n[机] 磅, 平方寸
🗣️ 情景例句
Notices are displayed on the bus asking people not to smoke.
公共汽车上张贴着请勿吸烟的公告。
My brother wants to learn how to swim.
我的兄弟要去学游泳。
I reflected that there must be a great many local people besides myself who wished to take advantage of this excellent service.
我想除我之外，想利用快车之便的也一定大有人在。