UV-H2O2
photo-oxidation technology was only available for the advanced treatment of
low-turbidity water with a critical limitation of 6 NTU turbidity. H2O2光氧化技术适用于低浊度水的深度处理,降解效果以浊度6 NTU为分界点。请问老师这里的critical怎么理解?
Although dragons have been associated with China for thousands of years, the panda's inclusion into the Chinese psyche is far more recent. 虽然龙和中国的渊源已有数千年之久,大熊猫融入中国人的心灵却是近几年的事。
Whereas the poverty rate among youngsters living with two married parents
is 7.5%, among those raised by a single mother it is 35%. 麻烦请问一下老师,这个句子中前面的among短语和后面的among短语分别作什么成分,后者为啥要提前?
...苍白,等等。但是,go后面接-ing形容词(现在分词转化来的形容词)好像不多,今天看到一个例子 go missing(不见了)。如:
The girl went missing during a family outing to Mount Snowdon.
想请老师归纳一下类似 go missing 这样的搭配(即go后...