Weismann
魏斯曼(August, 1834-1914德国生物学家)
🗣️ 情景例句
Who is it?
是谁呀？
How many of these are you going to send him?
你要送多少给他？
a wave length (the horizontal distance between two wave crests),
波长（两个浪峰间的水平距离）