豆: 1.(豆类作物或豆类作物的种子) legumes; pulses; beans; peas 短语和例子蚕豆 broad beans; 豌豆 peas2.(古代盛食物用的器具) an ancient stemmed cup or bowl3.(姓氏) a surname 短语和例子豆如意 dou ruyi
Example Sentences:
1.
Synthesis of dihydrocoumarins catalyzed by acidic ion - exchange resin 酸性离子交换树脂催化合成二氢香豆素类化合物