the number of overlaps; fold, layer

sound; echo; voice

重曹: sodium bicarbonate, baking soda / 縦走: traverse / 重層: multistoried / 重奏: instrumental ensemble / 銃創: bullet wound, gunshot wound

操縦士: pilot

操縦: flying, piloting; management, handling

操縦: fly, pilot; manage

双方: two-way, both parties, mutual, both / 宗法: (historical) regulations governing Chinese religious observances and social order / 総苞, 総包: involucre, involucrum

生放送: live broadcast

生放送: broadcast live

voice; chirping, singing; sound; voiced sound /