Using four paddle-like limbs to propel its bulky body through the water, the pliosaur made easy work of passing prey such as dolphin-like ichthyosaurs.

上龙用四根桨状的四肢推动它庞大的身体在水里游来游去，轻而易举地就能掠食形似海豚的鱼龙。

youdao

But with proper training and practice it is very easy to observe respiration and body sensations, both of which are directly related to mental defilements.

但是经过适当的训练和练习，观察呼吸与身体上的感受变得轻易因为这两者和心的不净烦恼有直接关联。

youdao

Keep this workout slow and easy and your body will quickly recover to the demands of the new distance.

训练的时候慢一点，放轻松，让自己的身体可以从更长距离的消耗中快速回复。

youdao

"Lots of athletes do it because it's very easy on your body, " she says.

WSJ: To Stay on Top in Tennis, Time Off Counts

This is not easy to do in the body, where obstructions such as bones block the neutron beam.

BBC: Surgery

While there's a limited area as to where he may be, that doesn't necessarily mean his body will be easy to spot.

CNN: March 16, 2013 -- Updated 0041 GMT (0841 HKT)