All the representatives must report themselves on time.所有的代表都必须准时报到。They were sent out as our representatives.他们是作为我们的代表被派出去的。Our representatives are ready to help you at all times.我们的代表随时乐意帮助你。There will be an economic ...
这种缩小的体腔称为血腔.This reduced body cavity is called a hemocoel.体腔液为乳白液体.The coelomic fluid is a milky white liquid.从 ( 体腔中 ) 抽走液体.Medicine To withdraw fluid from ( a body cavity )....