磨耳朵 ｜ 对知识的探索，不能停

上一期答案 <br>In particular, vehicle safety and the quality of batteries should be carefully examined and supervised, she added.<br><br>词汇表 <br>1. vehicle safety 车辆安全<br>2. supervise 监督<br><br>把你听到的写到评论区，我会一一回复哒～