您要查找的是不是：
- The emery is a hard metallic substance. 金刚砂是非常坚硬的金属物质。
- The exterior of the building is very unattractive. 这建筑物的外观很不起眼。
- Barium sulfate is a radiopaque substance. 钡硫酸盐是一种辐射光不能穿透的物质。
- We are painting the exterior wall of the house. 我们正在给房子的外墙涂漆。
- Musk is a kind of strong-smelling substance. 麝香是一种有强烈气味的物质。
- Graphite is a soft black substance. 石墨是一种软而黑的物质。
- It is difficult to judge a person by his exterior. 依据外表难以评判一个人。
- The seed has a hard exterior covering. 这种子外壳很硬。
- This substance is soluble in alcohol. 这种物质能够溶解在酒精中。
- Her account was in substance correct. 她的账目基本上是对的。
- Ammonia is a chemical substance. 氨是种化学物质。
- The substance is irritable to sensitive skin. 这种物质对敏感的皮肤有刺激性。
- An inert substance used to dilute. 稀释剂一种惰性物质
- The question was never discussed in substance. 这问题实际上从来没有讨论过。
- Gelatin is a clear tasteless substance. 明胶是一种透明无味的物质。
- This substance is extracted from seaweed. 这种物质是从海藻中提取的。
- This substance must be treated with acid. 这材料得用酸来处理。
- They maintained that ghosts had no substance. 他们认为鬼魂不是实物。
- She maintained a calm exterior, though really she was furious. 在外表上她保持着平静，但实际上她生气极了。
- A substance believed to maintain life indefinitely. 长生不老药被认为可以使生命无限的物质
