tinkered

They tinkered with the engine…

他们修了修发动机。

辞典例句

They tinkered with the engine.

他们修了修发动机。

辞典例句

The chemists have tinkered with heat and metal catalysts to refine their materials.

化学家们修补了热催化器与金属催化器以精炼材料.

互联网

The Chemists have tinkered with heat and metal catalysts to refine their materials.

化学家摆弄热和金属催化剂来提炼.

互联网