Most hurricanes occur before leaf drop and during or following heavy rains.

大多数飓风出现在落叶以前，暴雨之时或暴雨之后。

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But even in the best of conditions, it can be difficult to judge how much moisture a plant needs until it shows signs of stress: leaf drop, wilting, brown edges.

但是，即便在最好的情况下，也很难在植物出现了问题(如：掉叶子、打蔫、叶边枯萎)之前判断某个植物需要多少水。

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But even in the best of conditions, it can be difficult to judge how much moisture a plant needs until it shows signs of stress: leaf drop, wilting, brown edges.

但是，即便在最好的情况下，也很难在植物出现了问题(如：掉叶子、打蔫、叶边枯萎)之前判断某个植物需要多少水。

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