Metamelfalan
美他芬芥
🗣️ 情景例句
She is devoted to her children.
她深爱她的孩子。
Easier said than done.
说时容易做时难。
In the conversion of saliva into poison, one might suppose that a fixed process took place.
人们可能认为，唾液转变成毒液，其中有固定的程序。