It is a two-segmented arm with an external skeleton powered by pneumatic muscles.

它是一个带有外部骨架的两节式桥臂，由气动肌腱驱动。

youdao

The muscles are attached either directly to internal protrusions of its external skeleton, called apodemes, or indirectly, by filaments attached to the connection points.

他们的肌肉或是直接与外骨骼的内部凸出，即表皮内突相连，或是间接的和与神经点相连的肌原纤维细丝连接着。

youdao

The bearing bore and pump bore of external bearing type are separated by mechanical seal and skeleton oil seal.

外置轴承型的轴承腔与泵腔用机械密封及骨架油封或填料隔开，密封性好。

youdao

In the process they also secrete calcium carbonate that becomes the basis for an external skeleton on which they sit.

CNN: Report: Coral almost as genetically complex as humans

While her body rots encased in its external skeleton, her lingering scent misleadingly tells the colony that all is still well.

ECONOMIST: The secret life of ants

Adjacent lenses in O. wendtii are generally attached to the same individual plate of the external skeleton, so they all point in more or less the same direction.

ECONOMIST: Brittlestar eyes