橙子可以存放很久而不发霉。

Oranges can be kept for a long time without getting mouldy.

《柯林斯英汉双解大词典》

因此，即使在潮湿的环境中，湿气也很容易扩散，确保墙面不发霉、不变色。

Therefore, even in damp environment and moisture can easily spread, ensure metope mildewy, become angry.

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具有防水、防腐、不发霉、不生虫的特性，能有效地阻止冷凝，防止管道冻结。

Watertightness, antisepsis and do not become mildewed, do not living the characteristic of the insect, Can obstructs availably congealed, prevent the piping congelation.

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