618. try to do 尽力去做 619. try one’s best 尽力 620. turn up / down 调大，调小
U----Y
621. use up 用完
622. wait a minute 稍等一下 623. wait a moment 稍等一下 624. wait for 等候，等待 625. wait to do sth. 等着做某事
626. wait( for) one’s turn 排队等候轮到自己 627. wait in a queue 排队等候 628. walk through走过 629. wake up 叫醒，醒来 630. watch out (for) 注意，小心 631. wear out 穿坏，穿旧；用尽 632. well done 做得好 633. will be able to 能够
634. with one’s help 在（某人）帮助下 635. with these words 说着这些话
636. with one’s best wishes 致以（某人）最良好的祝愿 637. within an hour 一小时内 638. win the prize/an award 获奖 639. wish to do sth. 希望做某事
640. work on 从事….工作；继续工作 641. work out 制订出，计算，发展 642. worry about 担心；着急 643. would like(love) to do sth.想要做某事 hope to do sth. 希望做某事
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