Obss
abbr. ocean bottom scanning sonar 海底扫描声呐
🗣️ 情景例句
the places they visit, and the landmarks.
他们所去的地方， 以及地标等等。
My thesis is due the same week as midterms.
毕业论文截止的日期，和期中考试那一周重复。
I see. I hope everything goes well. Bye!
我明白了。我希望你一切顺利。再见。