Anthracnose
n. [植物病理]炭疽病
🗣️ 情景例句
Grandpa! Grandpa!
爷爷！ 爷爷！
A present!
有礼物！
and we have only to turn to that extraordinary discovery of echo-location in bats to see a case in which the voice plays a strictly utilitarian role.
我们只要看一看蝙蝠回声定位这一极不寻常的发现，就可以探究一下声音在什么情况下有绝对的实用价值。