野草，荆棘，仙人掌有保持水土的功效，为参天大树的生长创造了条件，

来源: 80前于 2025-05-28 06:38:07 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.