Transpolyisoprene
反式聚甲基丁二烯
🗣️ 情景例句
You've done a wonderful job.
你做得真棒！
After Flagstaff, we'll go to San Diego.
到佛拉格斯塔夫之后，我们去圣迭戈吧。
I'd like to congratulate you very much. That was a wonderful concert.
衷心祝贺你。这场音乐会真是太好了。