Rfms
[化] 射频质谱仪
🗣️ 情景例句
till you get to the end of the fence.
到栅栏的尽头。
I'm sorry. I don't get what you're driving at.
抱歉，我不明白你的意思。
Sally was very excited because she had never travelled on a train before.
萨莉非常激动，因为她从未乘过火车。