Transpolyisoprene
反式聚甲基丁二烯
🗣️ 情景例句
Everything is shaping up well.
一切进展顺利。
Half a tale is enough for a wise man.
聪明人凡事只须听一半，就会明白究竟。
Is it Abraham Lincoln?
是亚伯拉罕·林肯吗？