| 释义 |
trac.erHtreI7sE5, $-sLn [C]a bullet which leaves a line of flame or smoke behind it when it is fired, so that you can see the direction it has taken曳光弹Tracer bullets streaked through the sky.曳光弹划过长空。The sky was bright with tracer fire.天空被曳光弹的火光照亮了。
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