Obss
abbr. ocean bottom scanning sonar 海底扫描声呐
🗣️ 情景例句
I don't have time to be exhausted.
我没有时间去精疲力尽。
Next week I must start my term paper for Poli Sci.
到下周，我必须着手写政治学的期末论文了。
With a stopwatch, they counted how many times the bees repeated the dance during one minute.
他们用秒表记录蜜蜂在一分钟内重复舞蹈的次数。