分析一下这个句子That's when workmen .That's when workmen using huge machi_英语解答

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

人气：380 ℃　时间：2020-06-19 11:45:53

解答

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.