Spontaneous generation signal
[计] 自发产生信号
🧩 词语组成解析
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
Help me get this stuff out of the car.
帮我将这些东西拿下车子。
I have two days off a week.
我一周休息两天。
Man-made satellites have been sent up into space by many countries.
许多国家都成功地把人造卫星送入了太空。