您要查找的是不是：
- brain stain phase 脑染色期
- A coronal section of a whole human brain stained with thionine. Analysis of all slides and samples will be completed by 2012. 整个人脑的冠部经过硫堇染色。所有载玻片和样本分析工作将于2012年完成。
- He vainly tried to mark the defacing stain out. 他试图除去有损外观的污迹，但没有成功。
- I put the shirt in soapy water to soak out the stain. 我将衬衫浸在肥皂水里以去除污渍。
- I scrubbed hard at the stain to see if I could get it off. 我使劲擦这个污迹，看能不能将它去掉。
- I am afraid you must wash out this stain. 恐怕你必须洗掉这个污渍。
- The stain on his shirt is difficult to clean off. 他衬衣上的污点很难去除掉。
- I rubbed hard but the stain just wouldn't go. 我使劲擦也擦不掉那污迹。
- That maths exam I took was a regular brain drain. 绞尽脑汁的数学测验，我真是绞尽了脑汁。
- Such a man is a stain to humanity. 这种人是人类的耻辱。
- There's an ink stain on your shirt. 你的衬衫上有一个墨水斑。
- His good image has stolen up on my brain. 他的良好形象已渐渐在我头脑中形成。
- A sudden, thought flashed across his brain. 突然一种想法在他脑海里闪过。
- He left the court without a stain on his character. 他经法庭一役，人格丝毫无损。
- The child is going through a difficult phase. 那孩子正经历困难的阶段。
- He is heir to his father's fine brain. 他承袭了他父亲的聪明头脑。
- The doctors gave him an ultrasonic brain scan. 医生给他做了脑部超声波扫描检查。
- He's got an ink stain on his shirt. 他衬衫上有块墨渍。
- He suffered irreversible brain damage in the crash. 他在事故中大脑受伤无法治愈。
- The ink made an indelible stain. 墨水留下一个洗不掉的污渍。
