Sedar
abbr. submerged electrode detection and ranging 在水中的电极测试和距离修正
🗣️ 情景例句
OK, sir, just sit tight, and we'll have an ambulance there in about ten minutes.
好的，先生。你就在那边等着，救护车10分钟之内到。
Do you work near the library?
你在图书馆附近工作吗？
Why did you give us two T-shirts, both the same colour?
“为什么你给我俩买的T恤衫颜色都一样？”