Sedar
abbr. submerged electrode detection and ranging 在水中的电极测试和距离修正
🗣️ 情景例句
Can't you make it a little cheaper?
你不能算便宜一点？
I didn't read the whole paper, society page column.
我没有看到报纸的全部，我只是大概看了社交版。
It seems she was in class on Friday afternoon, but no one has seen her since.
好象她星期五还在教室，但从那以后没人看见过她。