夜出性昆虫常常活动于微暗但不是完全黑暗中，对形状有反应。

Nocturnal insects, which are usually active in dim light but not in complete darkness, react to contour.

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夜出性昆虫常常活动于微暗但不是完全黑暗中，对形状有反应。

Nocturnal insects, which are usually active in dim light but not in complete darkness, react to contour.

youdao