英语语法分析

Synthetic rubber of equal quality still cannot be practicably manufactured.

与天然橡胶同等质量的合成橡胶仍然不能实际生产。

It 's both urgently necessary and practicably feasible to revise and Reconstruct the law of marriage of our country.

对我国《婚姻法》进行修改和重构，既有迫切的必要性，也有现实的可行性。

The lowest level of lead that can be practicably obtained in lipstick is non-detectable, according to our test results.

但根据我们的测试，在唇膏中可以被测到的最低含量是零含量。