To test that theory, the team examined the yellowish, dried remains inside the vessels.
为了验证这一理论,研究小组检查了容器内淡黄色、干燥的残留物。
But not many are ready to test that.
但并非很多人愿意一试。
And we'll show you how to test that site.
我们还将展示如何测试那个网站。
There, researchers are developing a test that uses human saliva instead of blood to find those infected with malaria.
VOA: special.2010.04.20
All right? The first one is, that test has to involve-- shouldn't have to, the value of some variable.
好不好?第一件事是,循环开始的测试必须必须-不是一定,一些变量的值。
Why? Because that block identifies a set of things that I'm going to do if the test is true.
为什么呢?这是因为这一块指令,指定了一系列的要进行的操作,如果测试为真的话。
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