Don't turn the gas back on until a professional has checkde your house for you.
问题描述：
Don't turn the gas back on until a professional has checkde your house for you.
答
在专业人士检查你的房子以前不要打开煤气的背面保护.
答
在专家为你家做检查之前不要把天然气打开．
答
直到一个专业人士为你家做了检查之后再把天然气给转开.
答
直到一个专业人士为你家做了检查之后再把天然气给转开