clade

例句：

1. 1.The scientists discovered a new species in theclade of animals that live in theforest.
   科学家们在森林中生活的动物的族系里发现了一种新的物种。
2. 2. The clade of birds that can fly is calledthe eagle family.
   能飞的鸟的族系被称为鹰家族。
3. 3. Theclade of plants that are adapted tosurvive in the desert climate is known ascacti.
   适应沙漠气候生存的植物族系被称为仙人掌。