Acrylaldehyde
丙烯醛
🗣️ 情景例句
She's really a good friend, isn't she?
她真是我的好朋友，不是吗？
A dog will not howl if you beat him with a bone.
骨头打狗狗不叫。
How do you usually come to school?
你平常怎样来上学？