pachystermine

例句：

1. 1.The discovery of this substance has sparked a new field of research.
   这种物质的发现引发了一个新的研究领域。
2. 2. The pachystermine is believed to have healing properties.
   人们相信这种物质具有治疗性质。
3. 3. The pachystermine was discovered in the deep sea, where it has been found to be highly toxic.
   这种物质在深海被发现，并被认为具有很强的毒性。