Kersan disease
[化] 克山病
🧩 词语组成解析
🗣️ 情景例句
Beijing Hotel.
北京饭店。
Believe somebody on his bare word.
人言无据，切勿轻信。
To his astonishment, the bee began to perform a dance on the surface of the honeycomb.
冯·弗里施就透过玻璃进行观察。