Sets off the firecrackers的意思|示意

Then every family sets off long strings of small firecrackers and other fire works to welcome the New Year.

然后每个家庭设置了长串小鞭炮和其他消防工作，迎接新的一年。

Then every family sets off long strings of small firecrackers and other fire works to welcome the New Year.

然后每个家庭出发长串的小鞭炮和其他消防工程欢迎新的一年。

Then every family sets off long strings of small firecrackers and other fire works to welcome the new year.

然后，每个家庭衬托小爆竹等消防工程，长字符串迎接新年。