Hexammine
[化] 六氨合物
🗣️ 情景例句
Richard, I know your next book will be a success. Richard
我相信你的下一本书会成功。
Who is she?
她是谁？
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。