black adj.黑的；不加牛奶的；很脏的；愤怒的；令人沮丧的；邪恶的；阴沉的；机密的；黑色幽默的n.黑色；黑人；黑色物v.抵制；(使)变黑
双语例句
1. As they are very prone to blackspot, spraying is necessary.
因为它们很容易受黑斑病侵害，所以必须喷药。
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2. The blackspot shown in the photos was caused when molding the white base of the nozzle.
照片中显示的黑点是注塑喷嘴的白底座时造成的。
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3. The epidemiological aspect of rose blackspot was investigated systematically for 14 months by means of grading and replacing of branch samples.
本试验采用对样枝分级，且不断更替的取样方法，进行了14个月的月季黑斑病流行的系统调查。
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4. During the starting process, due to the injection mould machine demoulding, carbonizing materials mixed into the injection materials of white base to form the blackspot in the picture.
在开机过程中，由于注塑件的脱模，碳化的物料混入白底座的注塑料内，造成了照片中的黑点。
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5. During the starting process, due to the injection mould machine demoulding, carbonizing materials mixed into the injection materials of white base to form the blackspot in the picture.
