Key of reference
[计] 引用关键字
🧩 词语组成解析
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;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
I'll discuss this matter with you behind closed doors.
我要跟你私下谈这个事。
Will you speak up, please?
请你大声一点好吗？
Nevertheless,I managed to creep down into the living room for two days before anyone found me out.
不过开头两天我还是成功地蹑手蹑脚地来到楼下起居室，被谁也没发现。