Smoke signal
n. 烟幕信号, 发烟信号
🧩 词语组成解析
smoke
[smok]
n. 烟;吸烟;
vi. 冒烟;抽烟;快速;
vt. 用烟熏制;吸（烟），抽;
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
Maybe it needs cutting.
也许真需要削减呢。
I think he's still in bed.
我想，他还赖在床上。
If there had not been a hard layer of rock beneath the soil, they would have completed the job in a few hours.
如果不是因为土壤下面有一层坚硬的岩石，他们的营救工作仅用几个小时就可以完成了。