Neutron wavelength
[电] 中子波长
🧩 词语组成解析
🗣️ 情景例句
Spare me nothing.
把一切都告诉我。
A man can not spin and reel at the same time.
一心不能二用。
A 55-storey building went up in 1913, and in 1931 the Empire State Building was completed, then the tallest building in the world.
1913年一座55层高的大楼拔地而起。1931年帝国大厦竣工，这在当时是世界上最高的大厦。