Butylcarboxylic acid
[医] 戊酸, 缬草酸
🧩 词语组成解析
🗣️ 情景例句
We did?
我们忘了吗？
By little and little the wolf eateth the sheep.
狼吃羊，一只一只进肚肠。
Many of the stars cannot be seen because they are too far away.
许多星星我们之所以看不见，是因为它们离我们太远。