She has been working in this hospital since she was twenty.她从20岁起就在这家医院工作
My hobby is collecting various kinds of kites.我的爱好是收集各种各样的风筝
He received an present from whom he doesn't know..他昨天收到了一份礼物但他不知道谁给的
翻译 她从20岁起就在这家医院工作 我的爱好是收集各种各样的风筝 他昨天收到了一份礼物但他不知道谁给的