先頭集団 (せんとうしゅうだん) — leading group (of runners in a marathon, etc.); leading pack
先頭集団
せ ん と う しゅ う だ ん
Leading group (of runners in a marathon, etc.); leading pack
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先頭集団 (せんとうしゅうだん) — leading group (of runners in a marathon, etc.); leading pack
