Valid data signal
[计] 有效数据信号
🧩 词语组成解析
data
['detə]
n. 资料，材料;datum的复数;[计算机]数据，资料;从科学实验中提取的价值;
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
I didn't expect you to do such a good job.
没想到你做得这么好。
We can't recall how long it's been.
我们记不起来经历了多久了。
She struck the keys too hard and two of the strings were broken.
她在击琴键时用力过猛，损坏了两根琴弦。