用stratum造句子，“stratum”造句

It contains precious YAP which can help gently exfoliate stratum corneum and accelerate the removal of melanin, leaving your skin velvety soft, white and silky smooth.

The sapling which had rooted down to a poisonous stratum on the spot of its sowing had been transplanted to a deeper soil.

To in 1500, the knight was already had as the fight personnel the firearm gun armament the mercenaries substitution, the knight social stratum moved towards declining.