Rfms
[化] 射频质谱仪
🗣️ 情景例句
Take it easy. Don't work too hard.
悠着点。不要操劳过度。
It's a shame this restaurant is so expensive.
太遗憾了，这家餐馆太贵了。
What can you see in Picture 1?
在第一幅画里你能看见什么？