am
[æm]
abbr.
(=amplitude modulation) 调频，调谐;
vi.
（用于第一人称单数现在时）是;
aux.
（与v-ing连用构成现在进行时，与v-ed连用构成被动语态）;
例句:
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They have both behaved very badly and I am very hurt.
他们俩都很不友善，让我非常难过。
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This, I am sorry to say, is almost entirely wishful thinking.
我很遗憾，这几乎完全是一厢情愿的想法。
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I am short though, so that probably helped.
来自BBC
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I too am committing myself to continue the fight for justice.
我本人也保证将继续为正义而战。
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I am glad the president came to our area.
来自BBC
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But I am still a believer in the philosophy.
来自BBC