Spectromenter
[电] 分光计
🗣️ 情景例句
Do you have any assurance for its quality?
你们有任何品质保证吗？
I'm twenty-one years old.
我21岁。
There's no time! laughed Mother.Here are the twins.
“没时间了！”母亲笑着说，“双胞姐妹到了。”