perch的第三人称单数怎么写？

perch的一般过去时为：perched...

perch的复数形式为：perches...

The perch is a freshwater fish.鲈鱼是淡水鱼。A macaw screeched at him from its perch.一只金刚鹦鹉站在栖木上冲他尖叫。I like fishing for perch on vacation.我喜欢在假期中钓鲈鱼....

perch的现在进行时为：perching...

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perch的音标：perch的英式发音音标为：[pɜ:tʃ]perch的美式发音音标为：[pɜrtʃ]...

From my perch, I have watched the flabbergasting events of the past week.从我所处的高度, 我观看了过去一周那些令人目瞪口呆的事件.E sorridiamo perch é sbaglier à fra poco.嗯!童谣,我们唱就是为了好玩.We watched the parade from our perch.我们从高处观看游行。...the vast slu...