The first day when the people along the way heard the noises
The first day when the people along the way heard the noises of the train in the distance and
saw it running quickly to them,they ran back home as quickly as they could and closed their doors tightly,for they thought it a genius.这句话中的the first day when...中做什么成分?如果the first day 做状语那么when后面接的是否是day 的定从?