Capillator
毛细管比色计
🗣️ 情景例句
I'm Elsa Tobin. How do you do?
我叫Elsa Tobin ，你好。
Hello, it's a pleasure to meet you all.
你们好，很高兴见到大家。
Thank you .It was very nice of you to help me.
谢谢你帮我，你真好。