| 单词 |
if(if, whether) |
| 例句 |
if, whether
这两个连接词均含“是否”之意。
if → 作“是否”解时，多用于口语，引出宾语从句，不能直接跟or not连用。
whether → 多用于书面语中，可与or或or not连用，除引出宾语从句外，还可引出主语从句、表语从句、同位语从句或与不定式连用。
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| 随便看 |
- production(manufacture, produce, product, production)
- product(manufacture, produce, product, production)
- profession(profession, job, occupation, trade, vocation, career, work, employment)
- profitable(beneficial, advantageous, profitable)
- profit(advantage, benefit, interest, favour, profit, gain)
- profit(avail, benefit, profit)
- profound(deep, profound)
- programme(plan, design, plot, scheme, project, blueprint, programme)
- progress(advance, progress, proceed, move on, go)
- progression(sequence, progression, series, succession)
- prohibit(forbid, prohibit)
- project(plan, design, plot, scheme, project, blueprint, programme)
- prolong(delay, postpone, defer, suspend, prolong, put off)
- prompt(motivate, drive, prompt)
- prone(liable, apt, likely, prone, subject)
- pronounce(announce, declare, proclaim, pronounce, advertise, broadcast, publish)
- proof(proof, evidence, witness, testimony)
- propagate(spread, circulate, distribute, propagate)
- propel(propel, push, shove, thrust)
- property(quality, property, feature, characteristic, peculiarity, trait, attribute, character)
- property(wealth, assets, estate, goods, property, resources)
- proposal(advice, opinion, proposal, suggestion, recommendation, view)
- propose(offer, present, propose, volunteer)
- propose(recommend, advocate, propose, suggest, prescribe)
- prose(composition, article, essay, paper, prose, thesis, theme, dissertation)
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