test-tube是什么意思
adj. 人工授精的；在试验管中作成的
n. 试管；试验管；人工受精
英文词源
- test-tube (n.)
- 1809, from test (n.) + tube (n.). So called because it originally was used to test the properties of liquids. Test-tube baby is recorded from 1935.
实用例句
- 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
