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.

化学家摆弄热和金属催化剂来提炼.

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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.

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