That's the advice from a new study that finds that people who sit for extended periods of time without taking short breaks are at higher risk for heart disease than those who take more frequent timeouts to stand up and walk around.想问一下timeout在这什么意思?
As of Wednesday morning, the United States, which is leading the world in terms of confirmed cases, has reported 189,510 infections, showed the tally updated by the university's Center for Systems Science and Engineering.
has reported 和showed 分别引导什么成分
Quick
to claim credit, the prime minister is nowhere to seen when things go wrong这是《经济学人》的一篇文章副标题。主标题是:As
a second wave devastates India, Narendra Modi vanishes标题里的be可以省略,但这里省略be有点怪异。老师们怎么看?感谢!
老师好,几乎所有的语法书都说四季前一般不加冠词,然后给出Spring is my favorite season或Spring is the
best season of the year等例句,这种例句里面的spring都是泛指,所有理所应当的不加冠词,因为牛津字典说spring既是可数又是不可数的名词...