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N-VAR
生活環境；周圍狀況
Someone's environment is all the circumstances, people, things, and events around them that influence their life.
例句
Pupils in our schools are taught in a safe, secure environment...
我們學校的學生在安全無慮的環境中接受教育。
The moral characters of men are formed not by heredity but by environment...
人的道德品質不是遺傳的，而是由環境塑造而成。
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N-COUNT
生存環境；特定自然環境
Your environment consists of the particular natural surroundings in which you live or exist, considered in relation to their physical characteristics or weather conditions.
例句
If our environment cools, then messages from the skin alert the body's thermostat.
如果外在環境變冷，體表會將這一信息傳遞給身體的體溫調節中樞。
...the maintenance of a safe environment for marine mammals.
為海洋哺乳動物維持安全的生存環境
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N-SING
自然環境;生態環境
The environment is the natural world of land, sea, air, plants, and animals.
例句
...Conservative spokesman on the environment.
保守黨有關自然環境問題的發言人
...persuading people to respect the environment.
勸告人們保護生態環境