en/ielts/vocabulary/signal
signal
(发)信号
- Difficulté
- 0.55
- Importance
- 0.60
- Type
- VOCABULARY
- Niveau
- IELTS
Exemples
At a prearranged signal the lights went out.
预定的信号一发出，灯就全灭了。
en/ielts/vocabulary/signal
(发)信号
At a prearranged signal the lights went out.
预定的信号一发出，灯就全灭了。