shì / bīng / shǒu / xiān / què / rèn / shè / jiè / nèi / méi / yǒu / píng / mín / cái / kāi / shǐ / xùn / liàn

士兵首先确认射界内没有平民，才开始训练。

The soldiers first make sure there are no civilians in the field of fire before beginning their training.