Crotonate
巴豆酸酯, 丁烯酸酯
🗣️ 情景例句
He says it always brought him good luck on the baseball team.
他说 ，当年他在棒球队时这手套总是带给他好运。
No man learns but by pain or shame.
不经痛苦羞辱，难以取得教训。
At least we're safte here, I said.
“起码我们在这里是安全的，”我说。