GbEng
工人们正去除银中的杂质。 Workers are removing impurities from silver.
该委员会需要彻底改组,去除某些不合格的成员。 The committee needs to be shaken out to get rid of some unqualified members.
需刷牙以去除牙斑. It is necessary to remove plaque by brushing one's teeth.