downlap造句

例句与造句

1. It is condensed section with shells , downlap surface and ravinement surface that constitute the critical boundaries in dividing the system tracts of matuo formation
   含有介壳的凝缩段、下超面及沟蚀面是划分玛托组体系域的关键界面。
2. It's difficult to find downlap in a sentence. 用downlap造句挺难的