Stumbled
v. （不顺畅地）说( stumble的过去式和过去分词 ); 跌跌撞撞地走; 绊脚; （说话、演奏等）出错
🗣️ 情景例句
Oh, it was no trouble.
哦 没什么麻烦。
Good morning, ladies and gentlemen. It's very satisfying to see so many of you here.
各位女士各位先生，早上好，在这里见到你们大家使人感到非常满意。
where chance discoveries play a much larger part than they do in physical and mechancal industries.
同物理和机械工业相比，化学工业中偶然发现的机会要多得多。