Powdering agent
[化] 隔离剂; 打粉剂
🧩 词语组成解析
n. 分型粉；满幅点子花纹
🗣️ 情景例句
Robbie, let's call them. Robbie
Robbie，我们给他们打电话，Robbie。
Do you live across from the bus station?
你在公共汽车站对面居住吗？
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。