expectancies
n.
期待，期望( expectancy的名词复数 );
例句:
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Beneficiaries can spread withdrawals over their own life expectancies.
来自WSJ
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They had longer life expectancies than their parents.
他们比上一辈人的预期寿命要长。
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Each of us came with his own expectancies.
我们每个人都有自己的希望.
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In fact, modern lifestyles are actually exacerbating the gap between male and female life expectancies.
实际上, 现代生活方式确实加大了男女寿命差别的鸿沟.
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All the countries with the lowest predicted life expectancies were African apart from Afghanistan.
来自BBC
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With rising life expectancies and improved healthcare, people are ageing more slowly and living for longer.
来自BBC