Hierarchical sequence key
[计] 分层序列关键码
🧩 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;
sequence
['si:kwəns]
n. [数]数列，序列;顺序;连续;片断插曲;
vt. 使按顺序排列，安排顺序;[生化]确定…的顺序，确定…的化学结构序列;
key
[kiː]
n. 钥匙;（打字机等的）键;关键，线索，秘诀;（音乐的）调;
vt. 键入;锁上;调节…的音调;提供线索;
vi. 使用钥匙;
adj. 关键的;主要的;
🗣️ 情景例句
Excuse me, I can't seem to find my seat. Can you help me?
不好意思，我好像找不到我的座位了。您能帮帮我吗？
You were late again this morning. I think you had better start being on time.
你早晨又迟到了，我想你最好开始守时。[托福]
Boy, I'm really glad to hear that.
哇，听了真叫人高兴。