Oxyanion
n. 氧离子
🗣️ 情景例句
Yes, it's so easy.
没错， 它真简便。
Joy often comes after sorrow, like morning after night.
暮去必将朝至，苦尽常会甜来。
Two assistants, mounted on tame elephants, control the captive from either side,
两位助手骑在驯服的象的背上，从两侧控制新捕的象，