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。
- I come in answer to your ad for a salesman. 我来应聘售货员的职位。
- We were told to help ourselves to the food ad lib. 这些食物让我们随便吃。
- Barium sulfate is a radiopaque substance. 钡硫酸盐是一种辐射光不能穿透的物质。
- Problems were solved on an ad hoc basis. 做了一些变通问题便解决了。
- Musk is a kind of strong-smelling substance. 麝香是一种有强烈气味的物质。
- Insert a want ad, and it may help. 登一则招聘广告，也许有用。
- Graphite is a soft black substance. 石墨是一种软而黑的物质。
- This substance is soluble in alcohol. 这种物质能够溶解在酒精中。
- His head sank down ad he fell asleep. 他睡着时头垂了下来。
- 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。
- Points of policy are decided ad hoc. 政策的条款是临时决定的。
- An inert substance used to dilute. 稀释剂一种惰性物质
- I don't want to go on working here ad infinitum. 我不愿意永远在这里干下去。
- The question was never discussed in substance. 这问题实际上从来没有讨论过。
- The actress often forgot her line but was very good at ad lib. 那个女演员常忘台词，却极擅长临时拼凑。
- 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。
