A vegetarian diet may not provide enough calories for a child's normal growth.

素食可能无法提供一名孩子正常成长所需要的足够热量。

《柯林斯英汉双解大词典》

And if that were not practical enough, others are looking at the role snowflakes have in catalysing the transformation of ozone into normal oxygen.

其它具有实际意义的研究包括雪花在臭氧变成普通氧气中所起的作用。

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Dysthymic disorder, or dysthymia, is characterized by long-term (2 years or longer) symptoms that may not be severe enough to disable a person but can prevent normal functioning or feeling well.

心境恶劣障碍，也叫做恶劣心境，以长期(两年或更长)但是较轻的症状为特色。它并不一定使个人致残，但是能使个人正常机能受损或不能感到心情舒服。

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Diabetics whose pancreas does not function properly, so don't make enough insulin, don't have enough insulin present for normal glucose metabolism so they can't handle sugars properly.

糖尿病人的胰脏功能失调,因此胰岛素分泌不足,影响了正常的血糖代谢,所以他们不能正常地调节血糖

耶鲁公开课 - 生物医学工程探索课程节选

The city of Fairfield, which has three affected train stations, sent out a message telling commuters there will not be enough extra buses to handle normal passenger volume on Monday.

CNN: 9 still hospitalized after Connecticut train collision

If not for his death by propofol, Jackson's health appeared good enough for him to live a normal lifespan, Rogers testified.

CNN: Autopsy reveals Michael Jackson's secrets

And if that were not practical enough, others are looking at the role snowflakes have in catalysing the transformation of ozone into normal oxygen.

ECONOMIST: Atmospheric science: Fake flakes | The