名词
中文翻译:Unknown
同义词:
['roller', 'scroll', 'scrollbar']
例句:
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1.The computer has a number roller for easy input of numbers.
这台电脑有一个数字滚动条,方便输入数字。
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2. In the sports game, there is a number roller to record the score.
在体育比赛中,有一个数字滚动器来记录比分。
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3. The number roller on the calculator can be used to quickly calculate the sum of two numbers.
计算器上的数滚动器可以用来快速计算两个数字的和。