blotch是什麽意思

blotch

英 [blɒtʃ] 美 [blɑtʃ]

n. 斑點；汙點；疙瘩
vt. 弄髒

助記提示

1、blot + botch.

英文詞源

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

雙語例句

1. His face was covered in ugly red blotch es.: 他臉上有許多難看的紅色大斑點.

2. But there had no blotch in negative control.: 而陰性(空白)對照則相對應位置上無斑點.

3. In this paper , the occurrence of watermelon bacterial fruit blotch was first reported in Jilin province.: 首次報道了西瓜細菌性果斑病在吉林省的發生.

4. Sooty blotch has become one of the most important diseases on many ornamental plants.: 實踐證明煤汙病是園林植物的一類重要病害.

5. Far below, the railroad yard squealed, a small busy blotch on the ancient silent desert.: 遠在山下, 鐵路停車場裏還在嗚嗚作響,發出鏗鏘的聲音,在這片古老、沉寂的沙漠中隻是一個忙忙碌碌的小斑點.

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