blotch

英 [blɒtʃ] 美 [blɑtʃ]
  • n. 斑点；污点；疙瘩
  • vt. 弄脏
GRE
星级词汇:
blotch
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记忆方法

1、blot + botch.

英语词源

blotch (n.)
c. 1600, perhaps a blend of blot and botch or patch.

权威例句

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

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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.

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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.

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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.

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5. Far below, the railroad yard squealed, a small busy blotch on the ancient silent desert.
远在山下, 铁路停车场里还在呜呜作响,发出铿锵的声音,在这片古老 、 沉寂的沙漠中只是一个忙忙碌碌的小斑点.

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[ blotch 造句 ]