Ser
n. 锡厄(印、巴等国重量单位)\\n[化] 丝氨酸
🗣️ 情景例句
Oh, let's go upstairs and prepare Grandpa's room.
对了，我们上去准备一下爷爷的房间。
I told him to stay for supper.
我告诉他留下来吃晚餐。
You must weigh it carefully.
你必须仔细地称一称重量。