The function of the thymus was unknown until relatively recently.直到不久以前,人们对胸腺的功能尚不明了.In children under the age of two years the thymus often obscures the upper cardvovascular borders.两岁以下的儿童胸腺常常遮盖上部分心血管边缘.Conclusion: Pol...
These interdisciplinary programs include, for example , biophysics , geophysics, and astrophsics.这些跨学科的专题包括生物物理学 、 地球物理学和天体物理学等等.One of the most exciting developments in modern times has been the birth of biophysics.生物物理...
He sat on the edge of an unyielding armchair, a cup of tea in his hand.他坐在一张坚固的扶手椅的椅边上，手里端着一杯茶。He stood unyielding and unafraid against the enemy.他面对敌人,英勇无畏....the troopers, who had to build roads through those unyieldin...
燧石在压力的作用下碎成了小块。Under the pressure, the flint crumbled into fragments.这里的岩石像燧石一样坚硬.The rock here was as hard as flint.这一岩层中有大量燧石.This layer of rock contains a lot of flint....
...bruised tomatoes and cucumbers...被碰伤的西红柿和黄瓜She bruised herself against the desk.她撞到书桌上, 受了瘀伤。He was very bruised and suffering from whiplash.他满身青肿，而且颈部过度屈伸受伤。She continued massaging her right foot, which was bruised a...