Oxygen electrode
[化] 氧电极
🧩 词语组成解析
🗣️ 情景例句
I don't know what-to do.
我不知道怎么做。
Joy often comes after sorrow, like morning after night.
暮去必将朝至，苦尽常会甜来。
Haven't you heard of him? He's a very famous singer. He's singing at the New Theatre on Saturday.
你没听说过他吗？他是个著名歌手。他星期六将在新剧院演出。