動詞 radiate:

1. send out rays or waves
2. send out real or metaphoric rays
3. extend or spread outward from a center or focus or inward towards a center
   同義詞：ray
4. have a complexion with a strong bright color, such as red or pink
   同義詞：glow, beam, shine
5. cause to be seen by emitting light as if in rays
6. experience a feeling of well-being or happiness, as from good health or an intense emotion
   同義詞：glow, beam, shine
7. issue or emerge in rays or waves
8. spread into new habitats and produce variety or variegate
   同義詞：diversify

1. Most of Britain's motorways radiate from London.
   英國大多數(shù)的公路從倫敦向各個方向發(fā)展。
2. Four avenues radiate from the square.
   四條林蔭大道從那廣場向四方延伸。
3. Eight roads radiate from the square.
   八條大道從廣場呈輻射形伸展出去。
4. Five roads radiate from this roundabout.
   有五條道路以這個環(huán)狀交叉路為中心向各方伸展開。

ra.di.ate

v.（動詞）
ra.di.at.ed,ra.di.at.ing,ra.di.ates
v.intr.（不及物動詞）
To send out rays or waves.
放射，輻射：發(fā)出射線或波
To issue or emerge in rays or waves:
散發(fā)，發(fā)出：以射線或波的形式發(fā)出或出現(xiàn)：
例句：
Heat radiated from the stove.
爐子散發(fā)的熱量

To extend in straight lines from or toward a center; diverge or converge like rays:
呈輻射狀發(fā)出，向中心集中：以直線自或向一個中心延伸；象射線一樣發(fā)散或聚集：
例句：
Spokes radiate from a wheel hub.
輪條從輪軸向四周伸出

Ecology To spread into new habitats and thereby diverge or diversify. Used of a group of organisms.
【生態(tài)學】 分散，擴展到新的聚居地：傳到新的產(chǎn)地從而分散或變化。用于組織群落
v.tr.（及物動詞）
To emit (light, for example) in or as if in rays.
放射：以射線或象以射線一樣發(fā)出（光）
To send or spread out from or as if from a center:
由中心向外擴散：從或象從一個中心發(fā)出或分散：
例句：
a cactus that radiates spines.
長滿尖刺的仙人掌

To irradiate or illuminate (an object).
照亮：照亮或照明（一個物體）
To manifest in a glowing manner:
以強烈特質(zhì)顯現(xiàn)：以容光煥發(fā)的樣子顯現(xiàn)：
例句：
a leader who radiates confidence.
一位表現(xiàn)出自信的領導者

adj.（形容詞）

Botany Having rays or raylike parts, as in the flower heads of daisies.
【植物學】 有放射狀部分的：有或好象有放射狀的部分的，如雛菊的頭狀花序
Biology Characterized by radial symmetry.
【生物學】 放射狀對稱的：以放射狀對稱為特征的
Surrounded with rays:
被射線包圍的：
例句：
a radiate head on a coin.
硬幣上被射線包圍的頭像

來源：
Latin radi3re radi3t- [to emit beams]
拉丁語 radi3re radi3t- [發(fā)出光線]
from radius [ray]
源自 radius [射線]

【引伸】
ra.dia.tive
adj.（形容詞）