相关单词近义词 secure 安全的, safe 安全的, endangered 濒于灭绝的, threatened 受到威胁的, dwindling 动词dwindle的现在..., sheltered 受保护的; 受庇护的..., shielded 有屏蔽的, covered 被覆盖的, locked 锁定的, tamper-proof 防干扰, inaccessible 难接近的, sealed 封口的, impenetrable 不能穿过的, saved 保存了的反义词unprotected, 无保护的临近词protect, protect swite, protect layer, protect enable, protected band, protect fights, protecting lid, protected code, protect object, protected type, protected zone 返回 protected