katayama光: light; ray属: join; combine光钉螺: oncomelania hupensis fausti光钉螺病: katayama disease; katayama syndrome钉螺属: katayama; oncomelania; water snail下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:光钉螺属，即可在微信中查询翻译
