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- You should not be absent from class. 你不应当旷课。
- How many students are absent today? 今天有多少学生缺席？
- Since when has he been absent from school? 她从什么时候起不来上学的？
- Many students were absent, notably the monitor. 许多学生缺席，特别是连班长也没来。
- A constant, variable, function name, or expression. 一种常数、变量、函数名或表达式。
- She is never absent from work without good cause. 她决不无故缺勤。
- I can't figure out why he is absent. 我弄不明白他为什么缺席。
- The prices are variable, shop around by all means. 价格高低不一，所以一定要货比三家逐店选购。
- The temperature was a variable in the experiment. 在该实验中温度是个变量。
- Love was totally absent from his childhood. 他童年时代没受到丝毫的疼爱。
- He gave a lame excuse for being absent. 他找了个站不住脚的理由来解释缺席的原因。
- He made up a story to explain why he was absent. 他编造了一个故事为他的缺席辩解。
- What percentage of children were absent? 缺席的学童占百分之几?
- A finite increment in a variable. 变量增量变量的有限增量
- Four students were absent at the class roll call. 班上点名时四个学生缺席。
- The speed of the toy boat is variable. 玩具船的速度是可变的。
- The number of students absent is five. 有五名学生缺席。
- Winds are mainly light and variable. 风力较弱，风向多变。
- An average of two students are absent each day. 每天平均有两个学生缺席。
- A programmed time delay of variable duration. 暂停，展宽一种由程序设置的可变持续时间的时间延迟
