发出警报信号 (fāchū jǐngbào xìnhào, send an alarm signal)
Grammar & Usage
Sign in to get an AI breakdown of “发出警报信号 (fāchū jǐngbào xìnhào, send an alarm signal)” — meaning, grammar, and usage ✨
Mnemonic
Get an AI-generated memory hook for 发出警报信号 (fāchū jǐngbào xìnhào, send an alarm signal) — a vivid scene that locks the word in your brain 🧠
Example
Sign in for AI-generated examples tailored to your level ✨