aster-

Sweat trickles down my back as I traipse through a meadow of tall grass, ironweed, asters—and lots of poison ivy.

我疲惫地走在一片荒烟蔓草中，那里长著菀属植物和一大堆野葛。

OBJECTIVE The optimum extraction conditions of shionone from herbs Tatarian aster root were studied by means of orthogonal test and microwave-assisted and pressurized solvent extraction technique.

方法利辅助加压剂法菀中菀酮,通过正交实验,考察了条件(包括剂、时间、次数和料液比)对菀中菀酮的影响。