But those two-dimensional performers severely limit usable camera angles .

但是这些二维的“演员”严重的限制了可用的摄像角度。

It sounds suspiciously as if one single usable take of juvenile warbling has been spliced repeatedly through the track , making the already repetitive rhythm of the main theme madly insistent .

这听起来好像整个乐曲是利用一个少年的颤音反复的拼凑，使得已经重复的主旋律疯狂的坚持。

A third did two biopsies but was unable to get usable dna .

第三个医生进行了两次活检，但没有得到可用的dna。

We got plenty usable stuff for him .

我们给他很多可用的东西。

Plastids convert sunlight , water and carbon dioxide into usable nutrients .

叶绿体将阳光、水分和二氧化碳转化成可用的养料。