Polystome
n. [动]多口孔体( 如多孔动物等)
🗣️ 情景例句
Genes are the very building blocks of life.
基因是生命最基本的构建者。
In Britain, there are open universities.
在英国，有成人大学。
On his return to India he had the chance to travel to South Africa to work on a law case.
一回到印度，他就得到一个去南非办理一桩法律案件的机会。