英汉双语例句-生物医药大词典

Two plus two is four, but two plus negative two is zero?

中文意思：
二加二是四，而二加负二等于零。

以下为相关句子列表(点击查看，可以看对应的解释）：

	Two planes were reported (as) missing .			据报有两架飞机失踪.
	Two planes were reported (as) missing.			据报有两架飞机失踪.
	Two plus five is seven.			二加五等于七。
	Two plus four equals six.			二加四等于六.
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	Two plus two is four, but two plus negative two is zero?			二加二是四，而二加负二等于零。
	Two points for every one right.			每答对一题记两分。
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	Two policemen are running after the thief.			两名警察在追赶小偷。
	Two portable microcomputers are compared by using 6 basic programs.			使用了6个基本程序对两种便携式微机进行了比较。