变调器 · Tone Sandhi

输入两个拼音音节（带声调），看变调规则怎么应用。 Type two pinyin syllables with tone marks; the engine applies the third-tone, 不 and 一 sandhi rules step by step.

包括三声变调、不的变调、一的变调和轻声。 Covers third-tone sandhi, the 不 and 一 tone changes, and the neutral tone. Input pinyin with tone marks (nǐ) or tone numbers (ni3).