U开头的单词

两种好处的打字练习

本着“学英语和练打字同时”的理念，我们选择了美国之音英语单词作为打字练习的素材。

在此页面上，您可以练习使用以“U”开头的英语单词的触摸打字。单词的含义也贴在页面底部，所以请在学习英语时使用它们。

英文单词的英文翻译显示在表格的顶部，所以请将其翻译成正确的英文单词并在表格中输入。正确的英文单词显示在表格底部。当您了解了英语单词的含义后，请关闭表格右上角的拨动开关。这样做可以隐藏正确的英语单词，让您在学习打字的同时提高英语技能。

under	prep. below; below the surface of; less than; as called for by a law, agreement or system (“The river flows under the bridge.” “Such action is not permitted under the law.”)
understand	v. to know what is meant; to have knowledge of
unite	v. to join together
universe	n. all of space, including planets and stars
university	n. a place of education that usually includes several colleges and research organizations
unless	conj. except if it happens; on condition that (“I will not go, unless the rain stops.”)
until	conj. up to a time; before
up	ad. to, in or at a higher position or value
urge	v. to advise strongly; to make a great effort to get someone to do something
urgent	ad. needing an immediate decision or action
use	v. to employ for a purpose; to put into action
usual	ad. as is normal or common; as is most often done, seen or heard

prep. below; below the surface of; less than

v. to know what is meant; to have knowledge of

v. to join together

n. all of space, including planets and stars

n. a place of education that usually includes several colleges and research organizations

conj. except if it happens; on condition that (“I will not go, unless the rain stops.”)

conj. up to a time; before

ad. to, in or at a higher position or value

v. to advise strongly; to make a great effort to get someone to do something

ad. needing an immediate decision or action

v. to employ for a purpose; to put into action

ad. as is normal or common; as is most often done, seen or heard