Hexamethylene dicyanide
[化] 辛二腈
🧩 词语组成解析
n. [化]环己
[化 ]二氰化物
🗣️ 情景例句
autograph copies for the guests at the opening?
在展览开幕时为客人在书上亲笔签名呢
I'd rather you didn't.
我倒希望您不要关。
I'm planning to start a school, so I'm trying to save as much money as possible.
我计划开办一所学校，因此我在设法尽可能地多攒钱。