Aldecor
高强度低合金钢
🗣️ 情景例句
How much does it cost?
这得花多少钱？
It always take time to get used to a new place.
初来乍到，总要过些时候才会习惯的。
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。