Ser
n. 锡厄(印、巴等国重量单位)\\n[化] 丝氨酸
🗣️ 情景例句
I'm in great need of your assistance.
我特别需要您的帮助。
He has gone home.
他已经回家去了。
She went into my room and got a big surprise when she saw all those books on the floor.
她走进我的房间，当她看到地板上的那些书时，大吃一惊。