Nasinite
七水硼钠石
🗣️ 情景例句
Good afrernoon, Miss Wang. Please sit down.
下午好。王小姐，请坐。
I'd like to try on this sweater.
我想试穿这件毛衣。
This machine joins the metal pieces together, he said.
“这台机器把金属片焊接起来，”他说