It is well known that bamboo shoots are a panda's staple diet.竹笋是熊猫的主要食物，这是人所共知的。The panda's natural habitat is the bamboo forest.大熊猫的天然栖息地是竹林。Many goods in China have the trademarks of a panda.中国的许多商品都带有熊猫的商标....
He stretched and flexed his knees to relax himself.他伸屈膝关节使自己放松一下.He flexed his long stringy muscles manfully.他孔武有力地弯起膀子,显露出细长条的肌肉.I looked down at my fingers and flexed them stiffly.我僵硬地往下看着我的手指、摆弄着他们....
一线性空间的每一基底包含同样数目的向量.Every basis of a linear space contains the same number of vectors.向量是无用的幸存物或四元数的无价值的支流.Vector is a useless survival, or offshoot from quaternions.向量Z称为系统的状态向量.The vector Z is known as the state vector...