Acetylcellulose
[机] 乙酸纤维素
🗣️ 情景例句
Oh, you know I never answer that question, Harvey.
噢 你知道我从不回答这类的问题 Harvey。
This alone made our nine-day trip worthwhile.
光这件事我们9天的旅行就非常值得。
The situation seemed hopeless and he knew his life was in danger.
这种情况看来是毫无希望了，他知道他有生命危险。