Balmer
巴尔莫(波数单位, 即每厘米内的波数, 用波数/厘米来表示)
🗣️ 情景例句
Please send me a post card.
记住给我寄名信片。
The problem is that my boss says he can't keep my job open for me.
可问题是老板说他无法继续保留我的工作。
What's up?
怎么了？