“层积”造句

实践上, 种子不需要干藏而是采种后即层积.
In practice, seeds should not be stored dry but stratified on removal from the fruit.

我爬上三层积满灰尘的楼梯, 禁不住凄然泪下,又加衣衫单薄冷得直打哆嗦.
I went up three dusty flights of stairs and I cried, shivering in my thin coat.

是因为山麓地带层积的土壤层存在棱镜挖掘深度.
Due to piedmont area stratified soil layers are present at the prism excavation depth.

• #层积