Porphyroxine
紫鸦片碱
🗣️ 情景例句
My hobbies are hiking, fishing and climbing.
我的嗜好是远足、钓鱼和爬山。
Many kiss the baby for the nurse's sake.
醉翁之意不在酒。
Even more processes are never patented at all but kept as secret processes.
更多的工艺过程根本就不会取得专利权，而是作为秘方保存着。