...o play games when they are in primary school. But what starts as fun usage of apps turns into tremendous pressure in
real social media interaction at secondary school.”请问上面句中what starts as fun usage of apps…是什么意思?
1)This
species of bird is decreasing in numbers every year. 2)Foreign
food aid has led to a drastic reduction in the numbers of people dying of
starvation. 3)We
record their types and changes in their numbers.第一句in
numbers, 没有冠词,第二句in the numbers of有了定冠词,第三句in...
a sort of / of a sort 可以解释为“有点是又不完全是”,带有一定的贬义,这是正确的吗?当表示复数名词时,一般不用 these / those kind / sort of…,而应该用名词(复数)+of this / that kind / sort。例如:Pencil-boxes of this kind / sort sell well. ...