Oscillationg crystal
[电] 振荡晶体
🧩 词语组成解析
🗣️ 情景例句
Do you already have a boyfriend?
你已经有男朋友了吗？
His heart cannot be pure whose tongue is not clear.
嘴不净者心不纯。
No. I've never been to that farm before. What kinds of animals have they got?
不，我以前从来没有去过那个农场。他们有哪些种类的动物？