Subrogating
v. 取代, 接替（别人）( subrogate的现在分词 )
✅ 同义词
🗣️ 情景例句
First round's on me.
第一轮我请客。
Providence is always on the side of the strongest battalions.
天公总是佑强者。
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。