easel的复数形式怎么拼写？

easel的音标：easel的英式发音音标为：['i:zl]easel的美式发音音标为：['izəl]...

This is a well designed easel which folds up quickly and neatly.这个画架设计得很好,可以迅速而整齐地折叠起来.I took it from the easel and held it up to the windows.我把画从画架上取下来,把它举到窗户前.He paused in the middle of folding up his easel.他画架收到一半,却停了...

n.画架，黑板架...