Amphissitidae
双绿介科
🗣️ 情景例句
I'm Jane. Glad to meet you.
我叫珍妮，很高兴认识你。
I'd like two seats on today's northwest flight 7 to detroit, please.
我想订两张今天西北航空公司7班次到底特律的机票。
It is the natural frequency of emission of the hydrogen atoms in space and was discovered by us in 1951;
这个频率是空间氢原子释放的自然频率，是在1951年被人类发现的。