Backward busying signal
[计] 回程占线信号
🧩 词语组成解析
v. 忙着做某事( busy的现在分词 )
signal
['sɪgnl]
n. 信号，暗号;预兆，征象;动机;导火线;
vt. 向…发信号;用动作（手势）示意;以信号告知;
vi. 发信号;
adj. 显著的，优越的;暗号的，作信号用的;
sign记号，信号+al表名词 → 信号
🗣️ 情景例句
He really hates shopping but he goes anyway, and take his medicine like man.
他实在讨厌买东西，但还是硬着头皮去了。
It is the bridle and spur that makes a good horse.
要把马练好，缰绳靴刺少不了。
I'm nearly ready.
我马上就好。