1. a gall very rich in tannin produced by insects on an Asian sumac (Rhus semialata)
Chinese gall 例句
英汉例句
Zhang Chuanxi and Tian ZJ. 1998 Chinese gall aphids.
张传溪 、田泽君 1998五倍子蚜。
The existing state of the resource of Chinese gall in Shanxi Province and its distribution were described. The key factors affecting the production of gall and improvment methods were discussed.