而使这种直立行走能够发生的物质是被称为4号菌毛(IV pili)的附属物，它行使了类似腿的功能。

What enables this upright walking are appendages called type IV pili, which function as the analog of legs.

youdao

项目内容：在市中区新建一条利用稻草、梗、灰岩附属物加少量专用物质生产板材。

Project Content: Establish a production line with the use of straw, orange peduncle, adjunct with small quantity of special material to produce the plank.

youdao

项目内容：在市中区新建一条利用稻草、梗、灰岩附属物加少量专用物质生产板材。

Project Content: Establish a production line with the use of straw, orange peduncle, calcareousness adjunct with small quantity of special material to produce the plank.

youdao