Topartron
託帕特朗射频质谱仪
🗣️ 情景例句
He met his girfriend throught a public chat room.
他是在一个公共聊天室里认识他女友的。
You should wear a raincoat, It's rainy today.
你应该穿一件雨衣，因为今天下雨。
The city at one time must have been prosperous, for it enjoyed a high level of civilization.
这座古城肯定一度很繁荣，因为它曾享有高度的文明，