双氧水发泡原理:lots things to be done什么意思

lots things to be done什么意思 they made the others angry by asking them to do lots of things and they made trouble in class. 改错：they made the others angry by asking them to do lots of things and they made trouble in class 英语things to do 是什么意思 be to do是什么意思 be said to do+ do not be easy to believe otherones,but you could not doubt all the people and things什么意思 be glad to do是什么意思 be rich( )to do sth too many things to do 和 too many things do有什么区别？