Ethanedisulfonic acid
[化] 乙烷二磺酸
🧩 词语组成解析
🗣️ 情景例句
Grandpa, get the net, please!
爷爷 ，请把网子拿来！
How much is a round-trip ticket to Beijing?
一张到北京的来回票要多少钱？
Don't crowd round him, said the gate keeper.
“不要围着他，”学校门卫说。