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blotch是什么意思

blotch

英[blɒtʃ] 美[blɑ:tʃ]

n.（皮肤上的）红斑，疹块；大滴 [大片]（墨水或颜色的）污渍
vt.使沾上污渍，弄脏

weakness spot smoke darken disfigurement

双语例句

1 . His face was covered in ugly red blotch es.: 他脸上有许多难看的红色大斑点.

2 . But there had no blotch in negative control.: 而阴性(空白)对照则相对应位置上无斑点.

3 . In this paper, the occurrence of watermelon bacterial fruit blotch was first reported in Jilin province.: 首次报道了西瓜细菌性果斑病在吉林省的发生.

4 . Sooty blotch has become one of the most important diseases on many ornamental plants.: 实践证明煤污病是园林植物的一类重要病害.