使用牙刷去除牙垢很有帮助.The use of a toothbrush to keep tartar down is very helpful.除牙垢用带尖工具除去牙齿表面的 ( 污垢 )To remove ( tartar ) from tooth surfaces with a pointed instrument.我的牙齿上有许多牙垢.I have a lot of tartar on my teeth....
他经常与几个臭名昭著的毒贩鬼混。He regularly consorted with known drug-dealers.我愿他不再在城里鬼混,追逐妙龄少女.I wish he would stop chasing around the town after young women.不要与有夫之妇鬼混.Don't fool around with another man's wife....
He drove on, apparently unconcerned about the noise the engine was making.他继续驾车前进，对发动机发出的噪声显然毫不在意。He seems totally unconcerned by real dangers.他对于真实的危险似乎全然不在乎。The report is unconcerned with details.报告未涉及细节。Paul was uncon...
What I dislike most is the word'No Problem'replies from salesclerk.但我最讨厌的,是售货员说 ‘ 没问题 ’.I don't know. We can find out by asking a salesclerk.我不知道, 我们可以请店员帮忙找找看.The shirt wasn't all the salesclerk crac...
I don't object to the children going with us.我不反对孩子们和我们一道去.I object to being repeatedly dropped on in this manner.我反对用这种方式屡次被挑中.Do you object to my speaking to him about it?我去和他谈谈这事,你有意见 吗 ?...