Hexamethylenediamire
己烯二胺
??? 情景例句
She likes you.
她喜歡你 。
There are one hundred pennies in every dollar.
每美元是一百美分。
Spiders are not insects, as many people think, nor even nearly related to them.
許多人認為蜘蛛是昆蟲，但它們不是昆蟲，甚至與昆蟲毫無關系。