signalling

英 ['sɪgnəlɪŋ] 美 ['sɪgnəlɪŋ]

• n. 发信号；信号设备
• 动词signal的现在分词形式.

英英释义

名词 signal:

1. any nonverbal action or gesture that encodes a message

2. any incitement to action

3. an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes

例句

用作名词 (n.)

1. She was signalling wildly, waving her arms.
   她发狂地挥动手臂发信号。