这位参议员回应说，反对派对环境问题的担忧是政治上的机会主义。
The senator responded by saying that the opposition's concern for the environment was political opportunism.
大多数偷车贼是机会主义者、不熟练的小罪犯；许多人不到20岁。
Most car thieves are opportunist unskilled petty criminals; many are under 20.
我们的祖先以令人眼花缭乱的机会主义，适应了自上一个大冰期结束后，约1万年前普遍但不规则的全球变暖。
Our ancestors adapted to the universal but irregular global warming since the end of the last great Ice Age, around 10,000 years ago, with dazzling opportunism.
和大多数成功的政客一样，辛克莱也是个机会主义者。
Like most successful politicians, Sinclair was an opportunist.
与机会主义者对立的是竞争者。
许多非常机会主义的植物都是田野和花园中常见的杂草。
Many of the strongly opportunistic plants are the common weeds of fields and gardens.
“机会主义者”必须不断入侵新的地区，以弥补被更具竞争力的物种取代的损失。
Opportunists must constantly invade new areas to compensate for being displaced by more competitive species.
人工草坪、田野或花圃等人文景观提供了裸露的土壤和缺乏竞争者的环境，是“机会主义者”的完美殖民地。
Human landscapes of lawns, fields, or flowerbeds provide settings with bare soil and a lack of competitors that are perfect habitats for colonization by opportunists.
因为每个个体的生命都是短暂的，“机会主义者”这类物种的群体数量很可能受到干旱、严冬或者洪水等不利因素的影响。
Because each individual is short-lived, the population of an opportunist species is likely to be adversely affected by drought, bad winters, or floods.
因为每个个体的生命都是短暂的，“机会主义者”这类物种的群体数量很可能受到干旱、严冬或者洪水等不利因素的影响。
Because each individual is short-lived, the population of an opportunist species is likely to be adversely affected by drought, bad winters, or floods.
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