Senecialdehyde
千里光醛, 二甲基丙烯醛
🗣️ 情景例句
You don't know what you are talking about.
你不知道你在说什么。
The workman will catch the package from above.
那个作业员可望从上面接住那件货物。
Here is a shopping list so you won't forget anything, she said.
“这是购货单，这样你便不会遗漏什么东西，”她说。