Electrophotometer
[电] 光电计
🗣️ 情景例句
He treats everyone with courtesy.
他对待每一个人都很有礼貌。
What is she doing now?
她现在干些什么呢？
All at once, a rabbit came out of a hole.
突然，一只兔子从一个洞中跑了出来。