英语语法分析

Spiraea all pulled to the surface of embroidered cloth.

把绣线全部拉到绣布表面。

Conclusion: this is the first report of the isolation of 1-5 from Spiraea genus, and 6 from this plant.

结论：化合物1 - 5为首次从该属植物中分离得到，化合物6为首次从该植物中分离得到。

Objective: To search for the neuroprotective constituents from Spiraea japonica var. acuta and investigate their mechanisms of neuroprotection .

目的：从急尖绣线菊中寻找脑保护活性的有效成分，并初步探讨其保护机制。