testing
n. 测试
adj. 伤脑筋的；试验的
sp. 动词test的现在分词.
近义词：proof，examination，analysis，assay，assessment，experimentation，research，investigation，challenging，difficult，taxing，tough，trying，hard，
英英释义
Noun
- the act of subjecting to experimental test in order to determine how well something works;
"they agreed to end the testing of atomic weapons"
- an examination of the characteristics of something;
"there are laboratories for commercial testing" "it involved testing thousands of children for smallpox"
- the act of giving students or candidates a test (as by questions) to determine what they know or have learned
例句
用作名词(n.)
- The device had undergone extensive testing.这种装置经受过广泛的试验。
- Good teaching and good testing are closely related.出色的教学工作与完善的测试制度密切相关。
- He pioneered several new testing methods.他首创了几条新的测试方法。
用作形容词(adj.)
- This has been a testing time for us all.对我们大家来说,这是一段伤透脑筋的时刻。