Identometer
快速校验钢条成分仪
🗣️ 情景例句
You are a terrific instructor, Jack.
你真是个了不起的教练 Jack。
I had lunch with a friend of mine.
我和我的一个朋友一块吃了午饭。
This machine joins the metal pieces together, he said.
“这台机器把金属片焊接起来，”他说