分析一下这个句子That'swhenworkmen.That'swhenworkmenusinghugemachinesbeganclawingout1,000tonsofclayeveryhalfhourastheyboredfromEnglandtoFrance.thatwhenas分别是什么成分如何翻译

Question

分析一下这个句子That's when workmen .
That's when workmen using huge machines began clawing out 1,000 tons of clay every half hour as they bored from England to France.
that
when
as 分别是什么成分
如何翻译

Answer 1

呵呵,水平有限,成分说不清楚,但希望对楼主有所帮助.
1.that's when 用法类似 that's why,that's how,that's what .
2.as 我的理解是当.时
翻译:那是工作者们用大型机器开始每半小时挖出1000吨泥的时候,就是当他们从英国到法国挖井(通道)的时候.