Planck constant
[化] 普朗克常数; 普朗克作用量子
🧩 词语组成解析
n. 普朗克（德国物理学家）
🗣️ 情景例句
He made a pretty fortune by selling all his land.
他卖了所有的土地发了大财。
Don't blow it out of proportion.
别小题大做了。
In 1929, three years after his flight over the North Pole, the American explorer, R.E.Byrd, successfully flew over the South Pole for the first time.
美国探险家 R。伯德在飞越北极3年之后，于1929年第一次飞越了南极。