Skipping
小学 Primary[计] 跳跃
✅ 同义词
🗣️ 情景例句
Say what?
你说什么？
The lion is known by his claws (paw).
狮以爪闻名。
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。