Spectroreflectometer
光谱反射计
🗣️ 情景例句
Thank you.
谢谢你。
This is Mary Speaking.
我是玛丽。
That's what we did in China in the old days, before thermoses were invented, said Wei Hua.
“那是我们中国从前未发明出热水瓶时的做法。”魏华说。