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- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- On maps, a cross is the symbol for a church. 在地图上，十字符号代表教堂。
- Cypress branches used as a symbol of mourning. 柏枝作为悲哀象征的柏树枝
- We use x as the symbol for an unknown quantity. 我们用x表示一个未知数。
- The white bird is a symbol of freedom. 这白色的鸟是自由的象徵。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- The Cross is the symbol of Christianity. 十字架是基督教的象征。
- The lion is the symbol of courage. 狮子是勇武的象徵。
- The dove is the symbol of peace. 鸽子是和平的象征。
- Air is a mixture, not a compound of gases. 空气是气体的混合物，不是化合物。
- A mark or symbol used in a writing system. 符号，字体文字系统里的符号或标记
- Rose is a plant with compound leaves. 玫瑰是复叶植物。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- "Broad-shouldered" is a compound word. "Broad-shouldered"是个复合字。
- Common salt is a compound of sodium and chlorine. 食盐是钠和氯的化合物。
- My friend's family lives in the compound. 我朋友的家住在那个大院里。
- The symbol for the Roman numeral one hundred. 罗马数字中表示一百的符号
- A chemical compound consisting of such molecules. 二聚化合物这种聚合物形成化合物
- He only bought the yacht as a status symbol he hates sailing. 他买游艇只是为了显示身分--其实他根本不喜欢玩游艇。
- An organic compound containing many double bonds. 多烯一种包含许多双键的有机化合物
