Hierarchical planning
[计] 分级规划
🧩 词语组成解析
hierarchical
[ˌhaiə'rɑ:kikl;'haiə'rɑ:kikəl]
adj. 按等级划分的，等级（制度）的;分层的;
planning
[plæniŋ]
n. 计划;规划;
v. “plan”的现在分词;计划;设计;
🗣️ 情景例句
Mm, the day after tomorrow?
啊，后天？
Yes,I think it does.
是的，我认为它是我的。
This would solve the problem of ventilation, for if a train entered this tunnel, it would draw in fresh air behind it.
因为如果有列火车开进隧道，它就把新鲜空气随之抽进了隧道。