长途驾驶时，腰部的支撑十分重要。Lumbar support is very important if you're driving a long way.双手置于腰部，吸气。Place your hands on the small of your back and breathe in.他的名牌套装在腰部起了褶皱。His designer suits ruck up round his middle....
The two particles will undergo accelerations as a result of their interaction.这两个粒子由于相互作用将获得加速度.Since the cord connecting the two blocks is inextensible, the accelerations are the same.由于连接两物块的绳子无伸缩性, 因此它们的加速度相同.Vibratio...
A company of guardsmen swung past.一队卫兵整齐地跑过去.It took ten guardsmen to overpower him...10名警卫一起才将他制服。It took ten guardsmen to overpower him.10名警卫一起才将他制服。The National Guardsmen were sent out to trench.国民卫队被派去挖战壕....