Malononitrile
丙二腈
🗣️ 情景例句
how would you do it?
你怎么说？
One wrong thought may cause a lifelong regret.
一念之错可铸终生之恨。
Recent scientific evidence seems to indicate that this assumption is incorrect.
但近期科学研究发现，好像这种假设是不正确的。