核心词议：
adv. 偶尔；间或
occasionally 基本解释
adv. 偶尔，间或；“occasional”的派生；时
速记方法
速记技巧 词源记忆法 拆 oc-, 向前，朝向， -cas, 掉落
nal为形容词后缀；ly为副词后缀。 记 词源同 case,cascade,accident. 引申词义【偶然，场合，时机】。
知识扩展
重要短语
occurring occasionally零星发生的；Occasionally met偶尔遇见
中文词源
中文词源： occasionally
精选例句
1、 There is no harm in your staying up late occasionally.
偶尔晚睡并无妨害。
2、 We all overindulge occasionally.
我们都偶尔放纵一下。
1、 Even worse,people will occasionally fight to do things that waste time.
更糟糕的是，人们偶尔会为了做一些浪费时间的事情而争吵。
1、 While these two desires often work well together, they occasionally come into conflict.
虽然这两种欲望经常很好地合作，但它们偶尔也会发生冲突。
1、 Kroo and his team modeled what would happen if three passenger jets departing from Los Angeles, San Francisco and Las Vegas were to assemble over Utah, assume an inverted V-formation, occasionally change places so all could have a turn in the most favourable positions, and proceed to London.
克鲁和他的团队模拟了三架从洛杉矶、旧金山和拉斯维加斯起飞的客机在犹他州上空集合，形成倒v形队形，偶尔互换位置，以便所有飞机都能在最有利的位置转弯，然后继续飞行
常见考点例句：
- The europeans can rouse themselves occasionally .
- 欧洲人偶尔也可以振奋自己。
- I have occasionally reflected on why that was .
- 有时我不禁想知道为什么会这样。
- Occasionally , a guy would ask for my number .
- 有时候，会有男人问我要号码。
- I think this is important only occasionally and incidentally .
- 而我则认为这一重要性只是偶然的。
- Cross-strait tensions still occasionally flare up .
- 两岸间的紧张局势时而仍会加剧。
