blastoid是什么意思

n.[古生]海蕾

1. The blastoid is an extinct marine invertebrate that lived during the Mississippian period. (这种爆弹动物是一种在二叠纪时期生存的已灭绝的海洋无脊椎动物。)

2. The blastoid is known for its unique appearance, with a round body and multiple arms radiating outwards. (爆弹动物因其独特的外观而闻名，具有圆形的身体和多条辐射状的触手。)

1. 爆炸体；2. 爆弹动物，又称为粉状水母；3. 海底沉积岩中的矿物。