Hemosite
[医] 血寄生物
🗣️ 情景例句
went to the Thanksgiving Day parade?
去参加感恩节游行吗
That's terrible!
真是太惨了！
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。