the____protects the spinal cord.
What system of the body IS made of the brain(大脑),the spinal
cord是什么意思
power cord
cord是什么意思?
英语物理翻译 The upward forces are due to the tension in the cord.
英语翻译 The upward forces are due to the tension in the cord.
中文啥意思?a motor pulled the cord to move the yo-yo up and down
英语翻译:I gave several yanks to the starting cord fo the lawn m
suede cord 和 para.cord的意思
cord hemopoietic stem
cord-connected是什么意思
wire cord cable 的区别