查询词典 once every four years

all at once 1：突然2. 同时,一起(可与at once 互换,但有强调之意)

in the front of 在......前部 | 5. all at once 1. 突然2. 同时,一起(可与at once 互换,但有强调之意) | at once 1. 立刻, 马上2. 同时,一起

neurology neurobiologist neurosurgeon：神经的

neo- 新 neo-classical neo-colonialism neo-Nazism | neur(o)- 神经的 neurology neurobiologist neurosurgeon | once- 一度 once-famous once-powerful once-popular

Once in a while; Once too often; Once in a blue moon：有时候;常常;很少

Once in a blue moon. 千载一时... | Once in a while; Once too often; Once in a blue moon 有时候;常常;很少 | One boy is a boy, two boys half a boy, three boys no boy. 一个和尚挑水喝,两个和尚抬水喝,三个和...

pan-American pan-Arab pan-European：泛

once- 一度 once-famous once-powerful once-popular | pan- 泛... pan-American pan-Arab pan-European | para- 副,准 paratyphoid paramedic paramilitary

once-famous once-powerful once-popular：一度

neur(o)- 神经的 neurology neurobiologist neurosurgeon | once- 一度 once-famous once-powerful once-popular | pan- 泛... pan-American pan-Arab pan-European

children aged from 2 years old to six years old：2-6岁儿童

圆柱绕流:Flow past a cylinder | 2-6岁儿童:children aged from 2 years old to six years old | 2-6岁儿童:children with age from two years old to six years old

of late years" = in recent years：近年来

They gave thanks to the accounter who was well on in years. 他们向那位年迈的会计表示... | 4. "of late years" = in recent years 近年来 | This kind of music is very popular of late years. 近年来这种音乐流...

Flower Wedding Anniversary：花婚

3\\Three Years 皮婚 Leather Wedding Anniversary | 4\\Four Years 花婚 Flower Wedding Anniversary | 5\\Five Years 木婚 Wood Wedding Anniversary

be about to do sth...when：当...的时候

be able to do = be capable of doing 能够干 ( an able man 一个能干的人) | be about to do sth..when 当...的时候 | about four years = four years or so大约

every once in a blue moon：每次偶然

Once in a blue moon, once in a blue moon 偶然. . . | Every once in a blue moon 每次偶然 | I'll do something right 我做对

no longer / not ...any longer：不再

1. It no longer provides a good environment for wildlife. 对野生动物来说这儿不再是个好的生活环境. | no longer = not any longer 不再 | 上句可写成: It does not provide a good environment for wildlife...

Affecting Slopes：<检查及维修对斜坡有影响的地下排水渠及水务设施的须知便览>

Code of Practice on Fire Resisting Construction <<抗火结构守... | Affecting Slopes <<检查及维修对斜坡有影响的地下排水渠及水务设施的须知便览>> | Code of Practice on Wind Effects Hong Kong <<香港风力影响守...