Kodaloid
硝酸纤维素
🗣️ 情景例句
Oh, I'm fine.
噢， 我不要紧。
I told him to stay for the weekend.
我告诉他留下来度周末。
Robert was delighted to see me and equally pleased with my little gift.
罗伯特见到我很高兴，对我的薄礼也感到满意。