When I was talking about the power of smell on the radio, Speth, a Welsh speaker from Manchester, got in touch to say that in Welsh you can hear a smell as well as smell it. At first this sounded charming, if far-fetched. But the more I thought about it, the more sense it made. While I can’t – in English, anyway – exactly hear the smell of that Black Country bike shop in 1977, I can smell, hear and see it very clearly. I can feel it too. I can feel the shop man’s grip as he lifts me into the saddle. And I can hear him saying to my grandad: “Blimey, he’s a lump, isn’t he?” Ever sensitive about my weight, that was a sour note. But I’ll let it pass, because all I can feel, then and now, is the general joy.
; Step 3b: Cross-privilege (PLA redirected to 0x686)，详情可参考搜狗输入法2026
《甄嬛傳》馬拉松：為何成為台灣年輕人過年的「文化習俗」？。搜狗输入法2026对此有专业解读
A quadtree reduces this: rebuild the tree each frame, and for each object, query only the nearby region. Objects in distant quadrants are never compared.