| 单词 | signals | 
| 释义 | signal1 of 3noun  sig·nal  ˈsig-nᵊl  1   : sign, indication   2  a    : an act, event, or watchword that has been agreed on as the occasion of concerted action    b    : something that incites to action   3   : something (such as a sound, gesture, or object) that conveys notice or warning   4  a    : an object used to transmit or convey information beyond the range of human voice    b    : the sound or image conveyed in telegraphy, telephony, radio, radar, or television    c    : a detectable physical quantity or impulse (such as a voltage, current, or magnetic field strength) by which messages or information can be transmitted   signal2 of 3 verb  signaled or signalled; signaling or signalling ˈsig-nə-liŋ  transitive verb 1   : to notify by a signal  signal the fleet to turn back 2  a    : to communicate or indicate by or as if by signals  signaled the end of an era  b    : to constitute a characteristic feature of (a meaningful linguistic form)   intransitive verb   : to make or send a signal    signaler noun    or signaller signal3 of 3 adjective  : distinguished from the ordinary : notable  a signal achievement signals 1 of 2 noun1 as in flagsan object intended to give public notice or warning stop signs are signals for vehicles to come to a full stop—not suggestions for slowing down, as some drivers seem to think Synonyms & Similar Words Relevance 
 2 as in gesturesa movement of the body or limbs that expresses or emphasizes an idea or feeling quietly waiting for the signal to advance Synonyms & Similar Words 
 signals2 of 2 verbas in wavesto direct or notify by a movement or gesture signaled the oncoming traffic to stop while the wrecked car was being towed away Synonyms & Similar Words 
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