Beakers
n. 高脚杯( beaker的复数形式 ); 烧杯
🗣️ 情景例句
All the girls know he's a womanizer.
所有的女孩儿都知道他和许多女孩儿有关系。
Would you please hold the door open for me?
请您为我打开门？
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。