It’s very nice down here. 这下面很好。请问:此句的主语是 it,这个 it 是形式主语吗?如果是形式主语,那 down there 就成了真正的主语。但down there是副词啊,这里是副词作主语吗?谢谢!
静态法条件为:反应压力为常压,反应时间为5小时,反应温度为130度催化剂用量为20%,油水质量比为0.4。
请问:certainly, really, truly 有什么区别?
I was locked in this room off through the whole night. off怎么翻译?
Lately, a growing number of companies are leveraging big data
There is surprising lack of understanding of what science is. 该句子中名词中心词是哪个单词