🧩 词语组成解析
n. 抛物面
reflector
[[ri'flektə]]
n. 反射镜, 反射物\\n[医] 反光镜, 反射器
🗣️ 情景例句
You do? Really? It won't be any trouble?
有， 真的， 不会有任何麻烦？
I will work for you.
我会为你工作。
and by measuring the time interval between the taps and the receipt of the echoes, the depth of the sea at that point can be calculated.
测出回声间隔的时间，便可算出该处海洋的深度。