🧩 词语组成解析
n. 金鸡纳树, 金鸡纳树皮\\n[医] 金鸡纳[树]皮
🗣️ 情景例句
Well, we could reschedule the operation, Mrs. Herrera,
这样吧，我们可以重新安排手术，Herrera太太。
Do you understand?
你明白了吗？
and so the tools of long ago have remained when even the bones of the men who made them have disappeared without trace.
因此，尽管制造这些工具的人的骨头早已荡然无存，但远古时代的石头工具却保存了下来。