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- spike occurrence density 偶发事件高峰密度
- What a sod this job is proving to be! 这事儿可真棘手哇！
- The poor old sod got the sack yesterday. 那个可怜的家伙昨天给辞退了。
- Riots are of frequent occurrence in this province. 这省经常发生骚乱。
- Robbery is now an everyday occurrence. 抢劫的事现在每天都有。
- The playground was covered with sod. 操场上覆盖着草皮。
- His remark shadowed forth some future occurrence. 他的话预示了今后要发生的事。
- Divorce has become an everyday occurrence. 离婚已成为每天都有的事了。
- A small point or spike for holding a candle upright. 蜡烛扦竖直举起蜡烛的小尖或尖状物
- It is more a made-up story than a real occurrence. 那是杜撰的故事，而不是真实发生的事情。
- An eclipse is an unusual occurrence. 蚀是不常见的事情。
- A preceding occurrence, cause, or event. 先前的前面的事件，事情
- A significant event, occurrence, or change. 新生事物重大的事件或变化
- The density of population in this city is very high. 这个城市的人口密度非常高。
- The geographic occurrence or range of an organism. 生物的地理分布生物出现或分布范围的地理地区
- To drive(a nail or spike) at an oblique angle. 斜钉以一个倾斜的角度钉（钉子或大钉）
- A significant occurrence or happening. 大事具有重要意义的事件或事变
- The seed-bearing spike of a cereal plant, such as corn. 耳穗谷类植物上带有种子的穗，如玉米等
- An introductory occurrence or fact; a preliminary. 开端预兆性事件或事实; 开端
- He has been under the sod these six months. 他已经入土半年了。
