取120个值计算平均数。Take a hundred and twenty values and calculate the mean.就像歌里唱的那样，两者密不可分，不能只取其一。You can't have one without the other, as the song says.她可以打电话点餐，叫人来取要洗的衣服以及叫其他各种服务。She could ring for food and drink, laundr...
如果你挠他的下巴，他的耳朵就会摆动。His ears wiggled if you scratched his chin.挡风玻璃上的雨刮“啪嗒啪嗒”地来回摆动。The windscreen wipers thudded back and forth.别靠近它摆动的尾巴。Don't go near that lashing tail....
强效纯可卡因是市面上最容易让人上瘾的毒品。Crack is the most addictive drug on the market.下午的小组谈到具体的上瘾病例以及其中的问题。Afternoon groups relate to the specific addictions and problems therein.大约3个月后，我就不再对尼古丁上瘾了。After about three months, I was no long...