■ dosage 与 dose

dosage 是经常服用某一药物的规定剂量，dose 则是具体某次服用的剂量。

• Last night, before going to bed, I took a large dose (*dosage) of castor oil.我昨夜临睡前服用了大剂量的蓖麻油。
• She took twice the prescribed dose (*dosage) of sleeping tablets.她服用了双倍于处方剂量的安眠药（虽然是 prescribed，但仍然是具体一次而不是普遍的剂量）。

• -wise
• wise men
• wish
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• with
• within...of
• without
• witness
• wonder
• word
• work
• worker
• work on sb
• world
• world war
• worried
• worrisome
• worth
• worthy
• would
• would you like
• wound
• wound
• wrap
• wrap up