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luckless    音标拼音: [l'ʌkləs]
a. 不幸的,坏运气的

不幸的,坏运气的

luckless
adj 1: having or bringing misfortune; "Friday the 13th is an
unlucky date" [synonym: {unlucky}, {luckless}] [ant: {lucky}]

Luckless \Luck"less\, a.
Being without luck; unpropitious; unfortunate; unlucky;
meeting with ill success or bad fortune; as, a luckless
gamester; a luckless maid.
[1913 Webster]

Prayers made and granted in a luckless hour. --Dryden.
-- {Luck"less*ly}, adv. -- {Lock"less*ness}, n.
[1913 Webster]


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  • Vitamin B-12 - Mayo Clinic
    Healthcare professionals might prescribe vitamin B-12 injectio ns or nasal spray to treat people with very low vitamin B-12 levels Having seriously low vitamin B-12 levels, called vitamin B-12 deficiency, isn’t common in the U S People who follow a vegetarian or vegan diet can sometimes have low levels
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    To determine the best vitamin B12 supplements of 2025, the Forbes Health editorial team consulted a panel of accredited nutrition experts on their top picks and why they recommend them Star
  • Vitamin B12 - The Nutrition Source
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  • Dietary Supplement Fact Sheet - Chi Shum, MD
    Introduction Vitamin B12 is a water-soluble vitamin that is naturally present in some foods, added to others, and available as a dietary supplement and a prescription medication Vitamin B12 exists in several forms and contains the mineral cobalt [1-4], so compounds with vitamin B12 activity are collectively called "cobalamins" Methylcobalamin and 5-deoxyadenosylcobalamin are the forms of
  • Vitamin B12 Benefits and Best Sources - Cleveland Clinic Health Essentials
    The easiest way to take in more vitamin B12 is by enriching your diet with certain foods, not supplements
  • Vitamin B12 Fact Sheet for Consumers - Office of Dietary Supplements (ODS)
    Vitamin B12 in dietary supplements isn’t attached to protein and doesn’t require the first step However, B12 in supplements does need to combine with intrinsic factor to be absorbed





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