他大概7岁，骨架像他妈妈一样娇小均匀。He was about seven years old, small and fine-boned like his mother.人体骨架是由依靠韧带连接的形状相异的骨头构成。The skeleton consists of differently shaped bones held together by ligaments.这片建筑还只是仅有主梁的骨架.The block is still ...
这一节将只讨论介质分层媒质.Only dielectric stratified media will be treated in this section.光波在激活媒质中来回穿过时,将不断得到加强.The wave continues to grow as It'sweeps back and forth across the active medium.麦克斯韦电磁场方程描写了媒质的这种可测量的扰动,而不去详细讨论以太本...
他有一双清澈的蓝眼睛和一脸灿烂的微笑。He has clear blue eyes and a dazzling smile.他脸上绽放出灿烂的笑容。His face broke into a wide grin.员工的脸上都带着灿烂的笑容。The staff wear big sunny smiles....