Siegbahn
西格巴恩(①姓氏 ②Karl Manne Georg, 1886-1978, 瑞典物理学家, 曾获1924年诺贝尔物理学奖)
🗣️ 情景例句
When are you going camping again?
你什么时候再去露营？
She's off to Guangzhou tomorrow.
她明天出发去广州。
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。