您要查找的是不是：
- rectangular Helmhohz coin 长方形Helmholtz线圈
- The US coin of the lowest denomination is the cent. 美国硬币的最小单位是美分。
- The decision depended on the toss of a coin. 那项决定是靠掷硬币的方法做出的。
- I put a rectangular box on the table. 我把一个长方形的盒子放在桌子上。
- The coin rolled underneath the piano. 硬币滚到钢琴的下面了。
- The inscription on the coin had worn away. 铸造在硬币上的文字已经磨损。
- He put a coin into the insertion slot. 他往投币孔投入一枚硬币。
- The 50p coin has a crowned lion on its reverse. 50便士硬币反面的图案是个戴皇冠的狮子。
- A British coin worth one half of a new penny. 半便士一种英国硬币，币值是新版便士的一半
- A copper coin formerly used in India and Pakistan. 安那旧时在印度和巴基斯坦使用的铜币
- A gold coin formerly used in Iran. 伊朗金币以前在伊朗使用的金币
- A rectangular house of one story; a ranch house. 牧屋单层的长方形房屋; 牧屋
- He reversed the coin and examined it carefully. 他把硬币倒过来，仔细检查。
- Father dug up an old coin in the garden. 父亲在花园里掘出一枚古钱币。
- Many hands make light work, to coin a phrase. 常言说，人多好干活。
- A slit is provided for the coin to drop through. 狭长的口子是供投硬币用的。
- The reverse of the coin was stamped with an eagle. 硬币的反面压印的是一只鹰。
- She then looked at the reverse side of the coin. 接着她看了看钱币的反面。
- A pillar, rectangular in cross section, supporting an arch or roof. 支柱交叉处的长方形柱子，支撑一个拱顶或屋顶
- A toss of a coin decided who should play first. 掷钱币决定谁先开球。
