The connected components form a three-tiered system that looks like a triple-decker sandwich.

这些连接起来的三层式的系统，看起来像个三层的三明治。

youdao

That morning, three bombers detonated themselves in three of London'sUnderground trains, before a fourth explosion occurred on adouble-decker bus in Tavistock Square an hour later.

那天早晨，3名炸弹人分别在三列不同的伦敦地下铁列车上引爆了自己，紧接着一小时后，在塔维斯托克站的一座双层巴士上发生了第四次爆炸性袭击事件。

youdao

America's national Marine mammals laboratory scientists to measure the length of the longest for 29.9 m, whales and probably Boeing 737 or three double-decker buses.

美国国家海洋哺乳动物实验室的科学家测量到的最长的鲸长度为29.9米，大概和波音737或三辆双层公共汽车一样长。

youdao

Well, I guess it's the problem that people who teach the eighteenth-century novel always have, or the Victorian novel: the Victorian novel like the triple-decker, the three-volume novel.

好吧，我猜这个问题是,讲授十八世纪小说,或维多利亚时期小说的人经常遇到的：,像维多利亚时期的三层小说，三卷本小说。

耶鲁公开课 - 1945年后的美国小说课程节选

LONDON, England (CNN) -- As Friday dawns in London, investigators are picking through the carnage created by a coordinated bomb attack on three of the city's Underground trains and a double-decker bus.

CNN: Investigators pick through London carnage