Methyltartronic acid
[化] 甲基丙醇二酸
🧩 词语组成解析
🗣️ 情景例句
He's had so many colds and sore throats recently.
他最近常常感冒喉咙痛。
Who called a while ago?
刚才谁在打电话？
Do l have to
非做不可吗？