Isatron
石英稳定计时比较器
🗣️ 情景例句
He visited with Grandma and me in Florida
他到Florida看过祖母和我
Eat one's cake and have it.
又要马儿好，又要马儿不吃草。
Look at the rain! It's heavy, isn't it?
瞧这雨！下这么大，是吧？