Cytophotometer
n. 细胞光度计
🗣️ 情景例句
Loosen up! it's not worth getting upset about.
放松点儿！ 不值得为这件事苦恼。
What is the coldest region in this country?
这个国家最冷的地带是哪里？
Who's this?
这是谁？