affiliate
vt. 使隶属于, 接纳…为成员
n. 附属企业
搭配：affiliate oneself to 成为...的会员
affiliate...to/upon sb.认定（私生子的）父亲为
be affiliated with /to 隶属于...
1.They affiliated themselves with the same political party.
他们加入了同一政党。
2.Our New York company has an affiliate in Los Angeles.
我们的纽约公司在洛杉矶有一个下属企业。
alternate
adj. 轮流的, 交替的；间隔的； 代替的
vt. & vi. (使)交替, (使)轮换
搭配：alternate between（doing）sth. 交替，变化无常
alternate in doing sth.轮流做某事
辨析：alternate 交替的；alternative 二者选一的
1.That was a week of alternate rain and sunshine.
那是晴雨天交替的一周。
2.He and I clean our room on alternate days.
我和他隔日轮流打扫我们的房间。
3.This is an alternate plan.
这是一个替代计划。
4.Day and night alternate.
昼夜更替。
ambitious
adj. 有抱负的, 雄心勃勃的 ；有野心的
1.Only ambitious students get the best marks.
有抱负的学生才能取得最好的成绩。
2.He is an ambitious man.
他是个有野心的人。
3.You're very stubborn, but you aren't very ambitious.
你很固执，却没有多大抱负。
4.One may be poor but never ceases to be ambitious.
人穷志不短。
ample
adj. 足够的；大量的, 丰富的
辨析：“足够的”的程度：ample 充足有余的>enough足够的>adequate 刚好的
1.The sun was setting fast, but there was still ample light.
夕阳西下, 天色很快暗下来, 但是还有足够的光线。
2.The election was given ample coverage on TV.
电视上对选举作了广泛的报道。
3.He has received ample praise for the work he did.
他所做的工作，使他获得了广泛的赞美。
