1. 911查询·英语单词
1. convex mirror：convex lens 凸透镜 | convex mirror 凸面镜 | convexoconcave 凸凹的
2. 凸面镜
2. convex lens：convex concave 凸凹形 | convex lens 凸面镜 | conveyor 传送装置,捡拾机
3. mirror; convex：聚光面镜 mirror; convergent | 凸面镜 mirror; convex | 发散镜 mirror; divergent
4. converlens：convergingnozzle 收缩喷嘴 | converlens 凸面镜 | conversation 对话