Toluene 2,4-diisocyanate
[化] 2,4-二异氰酸甲苯酯
🧩 词语组成解析
n. 甲苯\\n[化] 甲苯
[机] 二异氰酸盐
🗣️ 情景例句
He's asleep.
他睡着了。
I'm feeling rather blue.
我觉得有些沮丧。
It was upon this principle that the first instruments were made,
据这一原理，制造出了最初的地震仪器，