...nd of a porous membrane and, as it seeps along to the
other, encounters a line of antibodies designed to recognise it. When the
sample is urine and the antigen is a hormone found in expectant women, you have
a pregnancy test. When the sample is mucus from a swab and the antigen is the
spike protein,...
His unfailing politeness, seen in such gestures as when he would say goodbye to every volunteer on his way out of a tournament or, just this Monday, when he arrived at Spain's team news conference and made a beeline for the stenographer to shake the hand of the person who would be typing up the tran...
It is what lies behind the eerie skills of face-recognition programs and what makes it possible for personal assistants such as smart speakers in the home to pick out spoken requests and act on them. 求划分句子成分并翻译。
If you are due a refund, you must file a federal income tax return in order to get your money.Any money due you will be sent by cheque through the post.(朗文词典)due一般是形容词,这里的due是形容词吗?我感觉像介词,但是词典里确实是放在形容词词性里...
Not far from the school there was a garden, its owner seated in it
playing chess with his grandson every afternoon.该句中,如果将seated改为seating可以吗?He seated himself behind the desk.这句话是主谓宾状结构还是主谓双宾结构,seat能当使役动词使用吗?独立...
It was there, sitting in the lunchroom, trying to make conversation with seven curious strangers, that I first saw them.sitting和trying这两个是现在分词短语还是动名词短语,承担名词类还是动词类的句子成分?
That “old” would vary between nations makes sense, especially between more and less developed countries, with differences in education, death rates, access to health care and life expectancy.大概的成分分析,不太理解后边especially和between and为什么一起搭配?