Mah
abbr. 马来酸酐（Maleic Anhydride）
🗣️ 情景例句
Biology and mathematics.
生物学和数学。
Generally speaking, a contract cannot be changed after it has been signed by both parties.
一般来讲，合同一经双方签订就不得更改。
Hawkwood made large sums of money in this way.
霍克伍德用这种方法挣了大笔钱。