radiate
UK/'reidieit/US
IELTSTOEFL四级六级考研B2
释义
v.
To send out light, heat, or energy from a centre
放射、散发（光、热或能量）
v.
To spread outward in lines from a central point
（道路、线条等）从中心呈放射状向外延伸
v.
To clearly show a strong feeling or quality so others sense it
（人）散发、流露（自信、温暖等特质）
词根拆分
词根派生radi（光线）+ -ate（动词后缀）=「射出光线」。基础画面是太阳抛出一道道光束。由此有了物理义——radiate heat（散热）、radiate light（发光）——和空间义：从广场 radiate 出去的街道像光线一样向外散开。比喻义顺理成章：自信的人 radiate confidence，就像火 radiate warmth。
词根 radi 还连着 9 个词常用搭配
- 1.radiate heat散发热量
- 2.radiate light发光
- 3.radiate confidence散发自信
- 4.radiate warmth散发温暖
- 5.radiate outward向外辐射
例句
- 1.
The old stove radiated a steady warmth across the small kitchen.
那台旧炉子向整个小厨房散发着稳定的热量。
- 2.
Narrow streets radiate outward from the cathedral square in every direction.
狭窄的街道从大教堂广场向四面八方呈放射状延伸。
- 3.
She walked in radiating confidence, and the whole room seemed to relax.
她走进来时浑身散发着自信，整个房间似乎都放松了下来。