■ 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）。

• burned
• bus
• business
• busy
• but
• but
• but for
• buy
• by
• by itself
• by the
• cafe
• café
• calibrated
• call
• call for
• call me
• campaign
• can
• can
• cannot
• cannot enough
• can't enough
• can't...enough
• capable