yes

ad.是，是的

yeast, yeastiness, yeasty, yell, yell at sb., yellow, yellow card, yellow fever, yellow flag, yellow line, Yellow Pages, yellowhammer, yellowish, yellowy, yellowness, yelp, yen, yeoman, Yeoman of the Guard, yeoman service, yeomanry, yes-man, yester-year, yesterday, yesterday week, yet, yeti, yew, YHA, yid, Yiddish, yield, yielding, yieldingly, yin, yippee, YMCA, Yo-Yo, yob, yodel (also yodle), yodeller (US yodeler),