add: 及物动词： 加算,累积. add some water to the tea 给茶里加些开水. add one thing to another 加一物于另一物. Add three and seven and you will have ten. 7加3等于10.
add: 不及物动词： 加算,合计.learn to add 学做加法. add in 算入. add it on 〔口语〕浮报,虚报. add to 增加 (This added to our difficulties. 这增加了我们不少困难). add up 合计；符合预期的数目 (The figures don't add up right. 这些数字加起来不对). add up to 总计共达；〔口语〕总之就是 (The evidence adds up to a case of theft. 证据显示出是一起盗窃案). to add to 更加,又加 (To add to the danger, darkness fell upon the water. 更加危险的是,夜幕又降临水面).
