She noticed blotches of mold spreading on the old bread.

她注意到那块旧面包上正在蔓延一片片霉斑。

金山词霸

His face was marked by multiple reddish blotches, probably caused by an intense acne flare-up.

他脸上出现了多处微红的红斑，很可能是由严重的痤疮发作引起的。

金山词霸

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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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.

期刊摘选

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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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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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.

期刊摘选