Ref.
abbr. 文件编号（尤用于商业文件分类）\\n
🗣️ 情景例句
Oh, I understand. She cooks and cleans, takes care of the children.
哦，我懂了，她烧饭、清洗、照顾孩子。
I checked my baggage in the baggage section.
我在行李房托运行李。
Little by little the eleven minutes fell to zero.
慢慢地从11分钟减到了零。