Butene diacid
[机] 丁烯二酸
🧩 词语组成解析
n. [化]丁烯
n. [化]二酸\\na. [化]二价酸的, 二酸的
🗣️ 情景例句
What did you tell Grandpa?
那你是如何对爷爷说的呢？
Her parents died when she was a baby and she was raised by her grandparents.
她很小的时候，父母就死了，是祖父母把她带大的。
The self-discipline required to drag myself out of bed eleven minutes earlier than usual was considerable.
这就要求我比平时早11分钟把自己从床上拽起来，这种自我约束是很艰苦的。