Phocomelus
n. 海豹肢畸形\\n[医] 短肢畸形, 海豹肢畸形
🗣️ 情景例句
Bye-bye. It's all set. I'm going.
再见。都安排好了。我现在就去。
A servant is known by his master's absence.
主人不在可以看出仆人的品行来。
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。