評論
打印
head
負(fù)責(zé)人；領(lǐng)導(dǎo)人
the heads of government / state
政府首腦；國家元首
She resigned as head of department.
她辭去了部門主管的職務(wù)。
the crowned heads (= the kings and queens) of Europe
歐洲各國君主
maintenance of sth
維護(hù)；保養(yǎng)
The school pays for heating and the maintenance of the buildings.
學(xué)校負(fù)擔(dān)這些大樓的供熱和維修費(fèi)用。
car maintenance
汽車保養(yǎng)
just for once
just this once
僅此一次(與通常情況對比而言)
Just for once he arrived on time.
只有這一次他按時(shí)到了。
Can't you be nice to each other just this once?
難道你們就不能彼此客氣哪怕一次？
trial
(對能力、質(zhì)量、性能等的)試驗(yàn),試用
The new drug is undergoing clinical trials.
這種新藥正在進(jìn)行臨牀試驗(yàn)。
She agreed to employ me for a trial period.
她同意試用我一段時(shí)間。
The system was introduced on a trial basis for six month.
這個(gè)制度已引進(jìn)試行一個(gè)月。
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