Hexamethylene diisocyanate
[化] 六亚甲基二异氰酸酯; 1,6-己二异氰酸酯
🧩 词语组成解析
n. [化]环己
[机] 二异氰酸盐
🗣️ 情景例句
Richard, did you go to the aerobics class, really? Richard
你真的上了有氧运动课吗？
To deliver the mail
投递邮件
Which do you think is more interesting?
你认为哪个节目更有趣呢？