Chalcone
[化]查耳酮(芳基烯丙酰芳烃, 苯丙烯酰苯)
🗣️ 情景例句
It's natural.
这是很自然的。
She lost her dignity.
她失去了镇定。
An advertisement which begins with the magic word FREE can rarely go wrong.
凡是用“免费”这个神奇的词开头的广告很少会失败的。