Echolucent
[医]无回音区
🗣️ 情景例句
Don't speak too soon.
话不要说得太早。
If you want a paper cup, look inside the drawer.
如果你要纸杯，就在抽屉里面。
A burst of activity associated with the laying of submarine cables soon confirmed the Challenger's observation that many parts of the ocean were two to three miles deep,
海洋中很多地方可深达两三英里，