appear的过去式是appeared译义：显得;看来;似乎;出现;呈现;显现;起源;首次使用
过去分词: appeared过去式: appeared现在分词: appearing
By ten o'clock Lee still hadn't appeared.
到十点钟李仍然没有露面。
Flowers appeared, but fruits failed to form.
开了花，但没有结果。
The dogs ran off as soon as we appeared.
我们一露面狗就跑了。
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