当时这里的教学条件十分简陋，两位老师以校为家，用辛勤的汗水，尽情地浇灌着这群祖国的花朵。
B-Time I-Time B-Location I-Location O O O O O B-Metric I-Metric O O O B-Metric I-Metric B-Person I-Person B-Location I-Location I-Location I-Location O O O O O B-Thing I-Thing O O O O O O O O O B-Location I-Location O B-Person I-Person O