Farvitron
线振质谱计
🗣️ 情景例句
I like it a lot. It fits well.
我非常喜欢。它很合身。
It's a beautiful country with many large lakes.
它是一个有许多大湖的美丽的国家。
Do you still have the cock year stamp?
你还有鸡年的邮票吗？