Methanedisulfonic acid
[化] 甲二磺酸
🧩 词语组成解析
🗣️ 情景例句
Help yourselves.
请随便用。
The room is always a mess after the children have been playing in here.
儿童玩过之后的房间，通常都是乱糟糟的。
She wanted to see the doctor because her back hurt.
她是来伦敦看望女儿的。她要看医生是因为背痛。