四级His product launches, at which he would stand alone on a black stage and produce as if by magic an "incredible" new electronic gadget （小器具）in front of an amazed crowd, were the performances of a master showman.
四级In the UK alone, there are around 30 million cars.
高考Before he knew it, Nicholas was lost, all alone! he didn't have food, water, a phone, or other supplies.
四级She likes to go to concerts alone.
高考We have yet to invent a firewall that is secure against ordinary humans, let alone super intelligent machines.
高考The trend of having meals alone.
四级Those who engaged in activities that were not intellectually challenging, either in a social group or alone, did not show such improvements.
四级Some 14% of young adults lived alone, were a single parent or lived with one or more roommates.
四级If current trends continue, then by 2050 there will be more than a million in the, US alone.
六级The full details are complicated - the text alone runs to 385 pages– and trying to summarise it is no easy task.
六级There were no longer enough fish in the sea for the stock to maintain itself, let alone an industry.
考研By all accounts he was a freethinking person, and a courageous one, and I find courage an essential quality for the understanding, let alone the performance, of his works.
四级In 2018 alone, wildfires, volcanic eruptions, hurricanes, mudslides, and other natural disasters cost at least $49 billion in the United States.
六级A surprising thing for the man who runs one of the world's most powerful economies to say? Perhaps; though in the run-up to the five-year review of the Millennium ( ' , 千年的) Goals, he is far from alone.
高考To confirm that the worms' chewing alone was not responsible for the polyethylene breakdown, the researchers made some worms into paste and applied it to plastic films.
六级In the past, scientists often worked alone.
考研Buy all your clothes once with a stylist instead of shopping alone, one article of clothing at a time.
六级They realized science and technology alone were no guarantee for a better world
四级Some viewers of her cooking show, The French Chef, insist they saw Child drop lamb on the floor and pick it up, with the advice that if they were alone in the kitchen, their guests would never know.
考研The Dutch giant Elsevier, which claims to publish 25% of the scientific papers produced in the world, made profits of more than £900m last year, while UK universities alone spent more than £210m in 2016 to enable researchers to access their own publicly f