en/ielts/vocabulary/signal
signal
(发)信号
- Schwierigkeit
- 0.55
- Wichtigkeit
- 0.60
- Typ
- VOCABULARY
- Level
- IELTS
Beispielsätze
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。