7 vaccine

vaccine

n[U, C]

substance that is injected into the bloodstream and protects the body by making it have a mild form of the disease 疫苗; 菌苗

    develop a smallpox, polio, rabies, etc vaccine 培养天花、 小儿麻痹症、 狂犬病等的疫苗. Cf 参看 serum2.

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9 vacillate

vacillate

v[I, Ipr]

~ (between sth and sth) (fml usu derog 文, 通常作贬义) keep changing one´s mind; move backwards and forwards between two emotions (思想)动摇不定; 犹豫; (在两种情绪之间)变化不定

    She vacillated between hope and fear.她时而抱有希望, 时而心存恐惧. Cf 参看 oscillate.

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11 vacillation

vacillation

n[C, U]

(fml usu derog 文, 通常作贬义) (instance of) vacillating(思想的)动摇; 犹豫; (情绪的)波动

    eternal, continual, constant, etc vacillations 心里总是动摇不定.

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7 vacuity

vacuity

n

(fml 文)

1 [U] lack ofpurpose, meaning or intelligence (目的、 意义或智慧的)缺乏; 空虚; 茫然; 愚蠢

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7 vacuous

vacuous

adj

(fml 文) showing or suggesting absence of thought or intelligence; inane 无思想的; 无智慧的; 空洞的; 无意义的

    a vacuous stare, remark, laugh, expression 呆视、 空洞的话、 傻笑、 茫然的表情.

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6 vacuum

vacuum

n

(pl 复数作 ~s or, in scientific use, 科技用语复数作 vacua )

1

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