Pentadecanone
十五烷酮
🗣️ 情景例句
Do you think you are introverted or extroverted?
你认为你性格内向还是外向？
The weather is promising.
天气可能好转。
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。