Spermanucleic acid
[医] 精子核酸
🧩 词语组成解析
🗣️ 情景例句
and he's very unhappy about not working.
他对没有工作感到怏怏不乐。
I'm glad to hear about your promotion.
我很高兴得知你升了职。
Nice to meet you.
很高兴见到你。