Electrophotometer
[电] 光电计
🗣️ 情景例句
That's what it is.
的确是如此。
Don't forget to print airmail on the letter.
不要忘记在信封上印上航空邮件
I like television very much.How much does it cost?
我非常喜欢这台电视机。请问它多少钱？