Ngửi quả dứa để kiểm tra độ chín. Lưu ý rằng quả dứa sẽ mềm hơn nhưng không ngọt thêm. Lật ngược quả dứa (không bắt buộc). Để dứa ở nhiệt độ phòng.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
Most of the usual signs of ripe fruit don't mean much on a pineapple. Sniff the base of the pineapple instead: a strong scent means the pineapple is ripe. If you can barely smell it, it's probably not. Cold pineapples never smell strong, so leave them at room temperature for a while before you try this. A yellow-skinned pineapple is a safer choice than a green one, but this isn't a perfect test. Some pineapples are ripe when completely green. Others have golden or red skins, but are still hard a