| 单词 | 两阶 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔biphasic pill〕A drug, such as an oral contraceptive, in which the dosage level changes during the number of days it is taken.两阶段避孕药：在服药期的数日内剂量有变化的药剂，如口服避孕药美国传统〔time〕She ran up the stairs two at a time.她一步两阶地跑上楼梯。牛津高阶 |
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