“球根”用英语怎么说

以前, 研究人员在附近发现了形成于水下的枕状熔岩和球根状熔岩流.Previously, researchers had found nearby pillow lavas , bulbouslava flows that form - under water.墨西哥的一种球根状草本植物,为其漂亮而又鲜红的单花而栽培.Mexican bulbous herb cultivated for its handsome bright red s...