🧩 词语组成解析
n. 雏菊属植物
🗣️ 情景例句
the first settlers in America.
他们是第一批来美国定居的移民。
Not at all.
好。
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。