小心别踩到地上的玻璃碎片。
Be careful not to step on the glass ___shards on the floor.
她只能回忆起那段关系中的零星片段。
She could only recall a few ___shards of that relationship.
每个shard存储了用户数据的不同部分。
Each ___shard stores a different portion of user data.