■ 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）。

• tenure
• terrible
• terrible 与 terrific
• terrific
• than
• thank
• thankful
• thankful
• thankful 与 grateful
• thanks to
• that
• that
• that 与 this
• the
• theatre
• the moment
• then
• theory
• the past year
• the proper side of the tracks
• therapy
• there-
• there is
• the right side of the tracks
• the side of the tracks