Scientists always check statements and make experiments carefully and objectively to verify them.
科学家们总是仔细、客观地核对各种说法,并进行实验来验证它们。
You'll now use the check function by adding check statements to the rest of the functions, with a few shown to you as guides in Listing 4 (you can find the rest in the source code download).
现在,您将使用check函数,方法是将check语句添加到函数的其余部分,清单4中显示的部分内容可以作为您的指导(其余部分可从源代码下载获得)。
So, it is worthwhile to check which statements were actually used before dropping an index.
所以,在删除索引之前,有必要检查哪些语句被真正使用。
You've got a loop, you've got a condition and a boolean to check if he's touching the edge, and some statements to tell him to shout or to actually turn around.
我们有一个循环,通过一个条件和一个布尔值来判断,是否触到了边缘,还有一些语句,让它回头并咆哮。
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