Diaminocarboxylic acid
[医] 二氨基羧酸, 二氨基三羟基十二酸
🧩 词语组成解析
🗣️ 情景例句
I'm heading off for bed
我先去睡觉了
We usually deal on a 20% trade discount basis with an additional quantity discount for orders over 1000 units.
我们通常给予20%的商业折扣，外加订货1000件以上的数量折扣。
It is one of the most unpleasant discoveries which we all make that we must decline in this way,
人人必然会衰老。