Sedar
abbr. submerged electrode detection and ranging 在水中的电极测试和距离修正
🗣️ 情景例句
There's nothing more joyous than the arrival of a new baby.
没有任何事能比新生儿的到来更令人喜悦的了。
If you would make an enemy,lend a man money and ask it of him again.
你若想与人结怨，只须先借钱给他，再向他催讨。
four girls and a boy, an event which radically changed their lives.
4女1男。这事使他们的生活发生了根本的变化。