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
The answer leapt out at me.
答案突然在我脑海中闪现出来。
It is better to do well than to say well.
理论好不如实际好。
it would take about 700 years for half of us to die,
那么我们当中的一半人过700年才会死去，