Phytosaurus
植龍屬
??? 情景例句
Did you find one?
找到合適的嗎？
Is that all he thinks about?
他想的事只是這些嗎？
If we could actually see the path described by a particle,such as a sand grain in the rock,
假如我們真能看到的運(yùn)動軌跡，諸如巖石中一個沙粒分子