am·big·u·ous adj.
歧义的，含糊的
〖同〗unclear
〖构词法〗ambi-（双，两个） + gu=go （走）+ ous
“After John hit Dick he ran away” is ambiguous because we cannot tell which boy ran away.
“After John hit Dick he ran away”有歧义，因为我们不知道哪一个男孩子跑了。

am·bi·tious adj.
有雄心的，渴望成功的，踌躇满志的
She is ambitious to get through high school in two years.
她踌躇满志，要在两年内完成高中学业。
〖联想记忆〗
ambition n. 雄心，野心

a·mend vt.
修正，改正
Rather than amend the club’s constitution again, let us discard it and start afresh.
与其修改俱乐部的章程，不如将其废弃并重新制定。
Amendment n. 宪法修正案

am·ple adj.
富足的，充足的
〖同〗abundant
We needn’t hurry; there’s ample time to catch our bus.
我们不需要着急。有足够的时间赶上巴士。

am·pli·fy vt.
放大，扩大，增强
〖同〗enlarge; strengthen
When sound is amplified, it can be heard from a greater distance.
当声音增强，更远的地方可以听见。

a·nal·o·gy n.
类比，类推
〖构词法〗ana- upon 根据 + log- word, speech, reason 字，说话 理性 + -y
No analogy exists between them.
他们之间没有相似之处。

an·a·lyt·I·cal adj.
分析的，解析的
He has a very analytical mind and always gets the highest score in his geometry course.
他善于分析，几何课总是得最高分。
〖联想记忆〗analyze vt. 分析，分解

a·non·y·mous adj.
匿名的
〖同〗unknown
〖构词法〗an- without 无 + onym- name 名字+ -ous
The newspaper will publish anonymous articles in the political opinion section.
报纸在政治观点版将刊登匿名文章。

ant·arc·tic adj.
南极的，南极地带的
the Antarctic 南极
The protection of the Antarctic from commercial exploitation is an important goal of environmentalists.
保护南极使其避免商业开采是环境保护主义者的重要目标。

练习

1. Most traditional folk songs are of _________ origin.

2. She received ________ compensation for her injuries in this accident.

3. His _______ statements could have been understood in more than one way.

4. Private cars are banned from the city on ________ days.