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
Like this.
像这样。
To hide in a hole
藏身穴中
Among the different types of bee, it is the honey bee that has most interested scientists because of the language they use to communicate with each other.