boundary造句271. The Rio Grande River forms a natural boundary between Mexico and the United States.
272. The north - east fracture which is the south boundary of Yanshan fault block relative notable sinistral movement.
273. A ninja version of the theme of cross - boundary action game category.
274. With few exceptions, Boundary Waters bans the use of motors , sails , portage wheels — even canned food.
275. Was There a Mass Extinction of Land Plants at the Permian - Triassic Boundary ( PTB )?
276. The high - order boundary conditions for the problems of Laplace equation in infinite region hare been developed.
277. This functions draw circles to the limbic and pupillary boundary.