Obss
abbr. ocean bottom scanning sonar 海底扫描声呐
🗣️ 情景例句
I planned to take a few months off.
我计划休息几个月。
She was the more promising worker of the two.
她是两个工人中比较有前途的一个。
There was danger that the wave would rebound off the other side of the bank and send the dish plunging into the water again.
但是当波浪从河对岸折回来时，就有再次把盘子拖进水里的危险。