He spoke with a pronounced stutter.他说话明显结巴。He tended to stutter, which tried her patience.他老结巴，这叫她难以忍受。He tended to stutter, which tried her patience...他老结巴，这叫她难以忍受。I managed to stutter a reply.我结结巴巴，好不容易应了一句。I was tremb...
They tinkered with the engine…他们修了修发动机。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.They tinkered with the engine.他们修了修发动机。They have tinkered with the geometry of the...