Faltered
v. （嗓音）颤抖( falter的过去式和过去分词 ); 支吾其词; 蹒跚; 摇晃
🗣️ 情景例句
You are?
是吗？
Science is organized knowledge.
科学是系统化的知识。
It is true that during their explorations they often faced difficulties and dangers of the most perilous nature, equipped in a manner with would make a modern climber shudder at the thought,
确实，在探险中他们经常遇到惊心动魄的困难和危险，而他们装备之简陋足以使现代登山者一想起来就胆战心惊。