But the problem had never been thoroughly tested.

但是这一问题从来没有被彻底的测试过。

youdao

After Mr Wimpenny had the plane built, it was tested thoroughly.

温佩尼先生把飞机制造好之后，对飞机进行了彻底的试验。

youdao

After Mr Wimpenny had the plane built, it was tested thoroughly.

温佩尼先生把飞机制造好之后，对飞机进行了彻底的试验。

youdao