Englishfor English speakers
crossing
Noun
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A crossing is an intersection where roads or tracks cross.
The rail crossing is notoriously dangerous for drivers.
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A crossing is a place where you can safely cross a road, river, or railroad tracks.
China recently opened the world's longest sea crossing, the .
odd
Adjective
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If something is odd, it is not normal and usually you don't like it or don't understand it.
The neighbours thought him very odd, because he would leave his doors open all night.
She liked him, but there was something odd about the way he spoke.
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The odd time, drink, problem, etc. is one that happens sometimes, but not often.
I don't really drink--just the odd beer at the weekend.
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An odd sock, boot, etc. is one without its pair.
The clown was wearing odd socks.
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An odd number is one that does not divide evenly by 2 (e.g., 1, 3, 5, 7, 9, etc.)
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A count of (number)-odd is just a little more than the number.
I've got fifty-odd students in the class.
variable
Noun
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A variable is something that may not always be the same.
In life insurance, sex is an important variable because men generally die younger than women.
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A variable is something used in mathematics for an unknown value.
In "x = 1 + 2 +...n = ((1 + n) × n)÷2", x is the variable.
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A variable is something used in computer programming languages that stores data, such as a number or words.
variable
Adjective
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If something is variable, it changes often.
The temperature in the area is highly variable.
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If a group is variable, there are big differences between things in the group.
The expected height of children in 3rd grade is variable.