您要查找的是不是：
- Most people's faces are asymmetrical. 多数人的脸并不对称。
- A convex surface, body, part, or line. 凸面、凸面体、凸面部分或凸线
- The ride on the roller coaster dizzied us. 乘坐云霄飞车使我们头晕。
- asymmetrical roller bearing 非对称滚子轴承
- May I borrow your roller skates? 我可以借你的旱冰鞋吗？
- Clattering along on roller skates. 踩着轮式溜冰鞋行进
- A road roller is used in making and repairing roads. 压路机是用来修筑道路的。
- Just as a double convex lens enlarges, so a double concave lens reduces. 正象双凸透镜可以放大那样，双凹透镜也可以缩小。
- A steel tube or wooden roller on which the warp is wound in a loom. 卷轴织机上的铁管或木轮，供经线缠绕之用
- Asymmetrical at the axial ends.Used of a crystal. 异极的轴线终端不对称的。用于晶体
- Light can be collected with the convex. 凸透镜具有聚集光线的作用。
- The convex surfaces faces toward the left. 凸面朝左方。
- They used a steam roller to iron out the road. 他们用蒸汽压路机压平了路面。
- Having unbalanced sides or parts;asymmetrical. 不规则的，不对称的有不平衡的方面或部分的;不对称的
- A convex lens is used to concentrate rays of light. 凸透镜用于聚集光线。
- Asymmetrical at the axial ends. Used of a crystal. 异极的轴线终端不对称的。用于晶体
- The road roller evens out the ground. 压路机把地面压平。
- Having unbalanced sides or parts; asymmetrical. 不规则的，不对称的有不平衡的方面或部分的；不对称的
- A stone tool with a convex side. 龟甲形石斧一边凸起的石制工具
- First of all, it's brilliantly asymmetrical. 首先，它是精采地不对称的。
