解析：
there 用作动词 be 的主语，表示某物是否存在，或让人注意该事物
There are temporary traffic lights now at the school. 那所学校现在设有临时交通信号灯。
Suddenly there was a loud bang. 突然发出一声巨响。
解析：
torrent n. 急流，洪流，连续不断的迸发
The rain was coming in torrents. 大雨如注。
He turned around and directed a torrent of abuse at me. 他转身对我破口大骂了一通。
tarry v. 耽搁，逗留
Why not tarry yet a little? 为什么不再多待一会儿呢？
,
