Biscuits and crackers are chemically leavened.
饼干和脆饼干是用化学方法发酵的。
The chairman leavened the dull meeting with a few jokes.
主席讲了几个笑话来活跃沉闷的会议。
英汉双解词典包含483723条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。