- 释义：
- n. （皮肤上的）红斑点；（墨水等）大斑点
- 例句：
-
He pointed to a dark blotch upon the starry sky some miles astern of us.
他指着我们身后几英里处繁星点点的天空中的一朵乌云.
换一句
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His face was covered in ugly red blotch es.
他脸上有许多难看的红色大斑点.
换一句
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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.
换一句