Methylhydantoin
[医] 甲内酰脲, 甲脲乙醇酸酐
🗣️ 情景例句
Mom,
妈，
Idleness is the root (or mother) of all evil (or sin or vice).
懒惰是万恶之源。
But the station master was adamant: rules could not be broken and she had to watch that train disappear towards her destination while she was left behind.
但站长态度坚决，规章制度不能破坏，姑娘只得眼看那趟火车消逝在她要去的方向而撇下了她。