Symptoms include low energy level and sometimes paleness, shortness of Breath, cold extremities, sore tongue, or dry skin.

症状有精力不足，有时面色苍白、呼吸短促、四肢发冷、舌痛及皮肤干燥。

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Signs of deficiency can include irritability and nervousness, flaky skin around the eyes, nose and mouth and a sore tongue.

的迹象，缺乏可包括烦躁不安和紧张，片状皮肤周围的眼，鼻和嘴和舌痛。

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Another possibility (although this is far less common) is a vitamin B deficiency, if the cracks are accompanied by a sore tongue.

而另一种引发的原因便是维生素B缺乏症，嘴角开裂的同时伴随有口疮舌疮的情况。

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