emit

动词 emit:

1. expel (gases or odors)
   同义词：breathe, pass off
2. give off, send forth, or discharge; as of light, heat, or radiation, vapor, etc.
   同义词：give out, give off
3. express audibly; utter sounds (not necessarily words)
   同义词：utter, let out, let loose

1. The cheese was emitting a strong smell.
   干酪散发出强烈的气味。
2. A volcano emits smoke and ashes.
   火山散发着烟和灰。

e.mit

v.tr.（及物动词）
e.mit.ted,e.mit.ting,e.mits
To give or send out matter or energy:
发射：给出或放出物质或能量：
例句：
isotopes that emit radioactive particles; a stove emitting heat.
发射出放射性粒子的同位素；发出热量的炉子

To give out as sound; utter:
发出：如声音般发出；发射出：
例句：
.She emitted her small strange laugh.(Edith Wharton)
.她发出了她的小而奇怪的笑声.(伊迪丝·华顿)

To voice; express:
说出；表达：
例句：
emit an opinion.
表达一个观点

To issue with authority, especially to put (currency) into circulation.
发行：通过政府发行，尤指使（货币）进入流通

来源：
Latin ômittere [to send out]
拉丁语 ômittere [派出]
ô-, ex- [ex-]
ô-, ex- [前缀，表.从前的，前任的.]
mittere [to send]
mittere [送]

【引伸】
emit.ter
n.（名词）