Nonanol
壬醇(通常指1-壬醇)
🗣️ 情景例句
Could you tell me what's in this?
您能告诉我这里面是什么吗？
Half the world knows not how the other half lives.
富人不知穷人苦。
He simply had no sense of danger at all.
而是他压根儿没有一点儿危险感。