en/ielts/vocabulary/signal
signal
(发)信号
- Dificultad
- 0.55
- Importancia
- 0.60
- Tipo
- VOCABULARY
- Nivel
- IELTS
Ejemplos
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。