Enable signal
[计] 启动信号, 允许信号
🧩 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
That's for sure.
说的也是。
He didn't say anything as to where he would go.
关于他的去处他什么也没说。
Use the lab and prepare some plant food for young tomatoes.
用实验室为西红柿幼苗准备一些养分。