assist【 ə'sist】 
v.援助，帮助
 These tablets assist in digestion.这种药片有助消化。
 Would you assist me with this parcel please?你可以帮我搬一下这包裹吗？
assistance【 ə'sistəns】 
n.协助，援助，补助，国家补助
Do you need any assistance?
你需要帮忙吗？
 Please let me know if I can be of any further assistance.如果还需要我帮忙，就请告诉我。
assistant【 ə`sistənt】 
n.助手，助教；adj.辅助的，助理的
Maybe you should hire an assistant.
你也许该请个助手。
 He was an excellent teaching assistant.他是个很棒的助教。
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associate【 ə'səuʃieit】 
vt.使发生联系，使联合；vi.交往，结交；n.合作人，同事；adj.副的
We associate presents with Christmas.
我们由礼物联想到圣诞节。
 He is not a friend but a business associate.他不是我的朋友，只是个生意合伙人。
association【 ə,səusi'eiʃən】 
n.协会，联合，结交，联想
They are proud to be members of the Chinese Calligraphers Association.
他们为自己是中国书法家协会的成员而自豪。
 He saw no association between the two ideas.他没看到这两种想法有联系。
assorted【 ə'sɔ:tid】 
adj.多样混合的；v.分类配全
This design comes in many assorted sizes and colors.
这个设计样式齐全，色彩多样。
 For my birthday, my husband bought me a box of assorted chocolates.我丈夫买了一盒什锦巧克力给我做生日礼物。
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assume【 ə'sju:m】 
vt.假定，设想，采取，呈现
We assume his guilt.
我们假定他是有罪的。
 It is wrong to assume things before you know the facts.在了解事实以前就乱猜测是不正确的。
assumption【 ə'sʌmpʃən】 
n.假定，设想，担任，承当，假装，作态；n. 圣母升天
Her assumption proved to be wrong.
她的假设被证实是错误的。
 The theory is based on a flimsy assumption.这个理论是基于一个站不住脚的假设的。
assurance【 ə'ʃuərəns】 
n.确信，断言，保证，担保
His arm around her gave her assurance.
他的手臂环抱着她，给了她信心。
 She required his word for assurance.她需要他用诺言担保。
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