1.independent tests 独立检验
例句:Other experts, however, are reserving judgement until independent tests are carried out.
然而,其他专家则在没有进行一些独立试验前持保留意见
。
2.air quality 空气质量
例句:The air quality has deteriorated these past few days.
前几天空气质量已下降
。
3.in front of 在...之前
例句:Our school is in front of the factory.
我们的学校就在那个工厂的前面
。
4.not to mention 更别提
例句:The audience, not to mention the bewildered cast, were not amused.
观众们并没有觉得好笑,更不用说那些一头雾水的演员了
。