您要查找的是不是：
- This lens can magnify 20 diameter. 这个透镜能放大20倍。
- Let's collect the sap before its consolidation into a hard mass. 让我们在树液坚固成团之前将之收集起来。
- How long has Jim gone in for collecting stamps? 吉姆爱好集邮有多长时间？
- Some adjustment of the lens may be necessary. 可能有必要调节一下镜头。
- We are collecting money for children in need. 我们在为贫困儿童募捐。
- Do you have soft contact lens care product? 有没有软性隐型眼镜保养用品？
- We are collecting money for the famine victim. 我们在为遭受饥荒的灾民募捐。
- He uses lens to make things appear clearer. 他用镜片以便看东西更清楚些。
- The lens is often used to make telescopes. 镜片常被用来做成望远镜。
- I find amusement in collecting stamps. 我发现了集邮的乐趣。
- Suddenly, collecting antiques is all the fashion. 收集古董突然盛行起来。
- Don't smear the lens; I've just polished it. 别把镜头弄脏了，我刚刚擦过。
- He is enamored of stamp collecting. 他迷恋于集邮。
- He is enamoured of stamp collecting. 他迷恋于集邮。
- I must admit I am very fond of collect rare book. 我得承认我很喜欢海内珍本。
- I am hooked on collecting clocks. 我迷上了收集时钟。
- He is collecting materials for a book. 他正在为写书搜集素材。
- I'm collecting money in aid of starving children. 为帮助饥饿的孩子们，我正在搞募捐。
- The camera lens must be screened from direct sunlight. 照相机的镜头不可受到阳光的直射。
- She went collecting for a charity. 她去为慈善事业募款。
