| 单词 |
when(when, while, as) |
| 例句 |
when, while, as
这些连词均可表示“当……时”引出时间从句。
when → 所引导的从句，其谓语动词既可是持续动词，也可是短暂动词；谓语动词动作发生的时间可以与主句谓语动词的动作是同时，或之前、之后。
while → 句中的谓语动词应为持续动词，不用短暂动词，谓语动作发生的时间通常与主句谓语动词动作发生时间是同时。
as → 侧重指从句与主句的动作同时进行，谓语动词可以是持续性的，可以是短暂性动词。
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| 随便看 |
- rip(tear, rip, split)
- rise(arise, rise, raise, lift)
- risk(danger, risk, hazard, menace, peril, threat)
- risk(venture, chance, dare, hazard, risk)
- rival(compete, contend, contest, rival)
- rival(match, equal, rival)
- rival(opponent, competitor, enemy, foe, rival)
- river(river, brook, stream)
- road(path, road, way, street, highway, avenue, motorway, route, lane, pavement, trail)
- roam(roam, stroll, wander, ramble)
- roar(cry, shout, exclaim, roar, scream, shriek, yell, call)
- roast(bake, roast, toast)
- robber(robber, thief, burglar, bandit, gangster, pirate)
- robe(clothes, clothing, coat, dress, garment, robe, gown, uniform, costume, suit)
- rob(rob, steal, plunder, deprive)
- rock(rock, stone, gravel, pebble)
- rock(rock, sway, swing)
- roll(list, catalog(ue), rgeister, roll, schedule, table, chart, form)
- roll(rotate, revolve, roll, spin, turn, whirl, circle)
- romance(novel, romance, fiction, story, fable, tale)
- root(origin, source, root)
- rope(string, rope, line, cord, thread, wire)
- rotate(rotate, revolve, roll, spin, turn, whirl, circle)
- rot(rot, decay, decompose)
- roughly(almost, nearly, about, or so, approximately, around, roughly)
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