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- A new house of any size is now almost invariably symmetrical. 現在新建的房子不管大小幾乎都是對稱(chēng)的。
- A convex surface, body, part, or line. 凸面、凸面體、凸面部分或凸線(xiàn)
- The ride on the roller coaster dizzied us. 乘坐云霄飛車(chē)使我們頭暈。
- May I borrow your roller skates? 我可以借你的旱冰鞋嗎？
- The plan of the ground floor is completely symmetrical. 一樓的平面圖是完全對稱(chēng)的。
- Clattering along on roller skates. 踩著(zhù)輪式溜冰鞋行進(jìn)
- He introduced to us the symmetrical arrangement of the garden. 他為我們介紹了花園中對稱(chēng)的布局。
- A road roller is used in making and repairing roads. 壓路機是用來(lái)修筑道路的。
- A new house of any size was now almost invariably symmetrical. 現在新建的房子不管大小幾乎都是對稱(chēng)的。
- Just as a double convex lens enlarges, so a double concave lens reduces. 正象雙凸透鏡可以放大那樣，雙凹透鏡也可以縮小。
- A steel tube or wooden roller on which the warp is wound in a loom. 卷軸織機上的鐵管或木輪，供經(jīng)線(xiàn)纏繞之用
- Light can be collected with the convex. 凸透鏡具有聚集光線(xiàn)的作用。
- It also looks symmetrical in profile. 在橫剖面上它看起來(lái)也是對稱(chēng)的。
- They used a steam roller to iron out the road. 他們用蒸汽壓路機壓平了路面。
- A symmetrical arrangement of the parts of a thing. 對稱(chēng)對某物件各部分所作的對稱(chēng)性配置
- The convex surfaces faces toward the left. 凸面朝左方。
- The road roller evens out the ground. 壓路機把地面壓平。
- A convex lens is used to concentrate rays of light. 凸透鏡用于聚集光線(xiàn)。
- The face is beautiful because it is symmetrical. 這張臉美麗的原因就在于它很勻稱(chēng)。
- A stone tool with a convex side. 龜甲形石斧一邊凸起的石制工具
