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clean up
volunteer to do sth.
cheer up
come up with
Clean-Up Day
several pron. adj.
几个；数个
e.g. Several of the dogs are on the sofa
几个小狗在沙发上
feeling n.
感觉；感触；感情
e.g. He had to lower his voice to control
his feeling.
他不得不压低声音来控制自己的感情。
satisfaction n.
满足；满意
e.g. Looking at a beautiful painting
always gives one satisfaction.
观看一幅美丽的图画总会使人心满意足。
e.g. It’s difficult to describe my
joy in words.
难以用语言来描述我的快乐。
joy n.
高兴；愉快
owner n.
物主；主人
e.g. They decided to give the cat
back to the owner.
他们决定将猫归还它的主人。
own (v. 拥有) + er