test
美[test] vt.测验；考查；考验；勘探
vi.受试验；受测验；受考验；测得结果
网络试验；测试；考试；检验
1 . So far 57 have taken the test and all have been negative.
到目前为止，参加测试的有57人，测试结果均呈阴性。
来自柯林斯例句
2 . He tried to bluff his way through another test and failed it.
他试图再次在考试中蒙混过关，但却露馅了。
来自柯林斯例句
3 . The scientists have already experimented at each other's test sites.
科学家已经在彼此的实验场所进行了实验。
来自柯林斯例句
4 . The test can accurately predict what a bigger explosion would do.
该试验能准确地预测一次更大爆炸的威力。
来自柯林斯例句
5 . He suggested a link between class size and test results of seven-year-olds.
他认为7岁大的学生的测试分数和班级的规模有关系。
来自柯林斯例句
1.any standardized procedure for measuring sensitivity or memory or intelligence or aptitude or personality etc;
the test was standardized on a large sample of students
2.the act of testing something;
in the experimental trials the amount of carbon was measured separately
3.the act of undergoing testing;
he survived the great test of battle
4.trying something to find out about it;
a sample for ten days free trial
5.a set of questions or exercises evaluating skill or knowledge;
when the test was stolen the professor had to make a new set of questions
6.a hard outer covering as of some amoebas and sea urchins
1.put to the test, as for its quality, or give experimental use to;
This approach has been tried with good results
2.test or examine for the presence of disease or infection;
screen the blood for the HIV virus
3.examine someone's knowledge of something;
The teacher tests us every week
4.show a certain characteristic when tested;
He tested positive for HIV
5.achieve a certain score or rating on a test;
She tested high on the LSAT and was admitted to all the good law schools
6.determine the presence or properties of (a substance)
7.undergo a test;
She doesn't test well
-e 该“文件名”是否存在 -f 该“文件名”是否为文件 -d 该“文件名”是否为目录 -b 该“文件名”是否一个块设备 -c 该“文件名”是否一个字符设备 -s 该“文件名”是否一个套接字文件 -p 该“文件名”是否一个FIFO锛埞艿里級文件 -L 该“文件名”是否一个连接文件 -r 检测该文件名是否具有“可读”属性 -w 检测该文件名是否具有“可写”属性 -x 检测该文件名是否具有“可执行”属性 -u 检测该文件名是否具有“SUID”属性 -g 检测