The seventh note in the sol-fa singing system: do, re, mi, fa, so(l), la, ti — then do again. It is the note just below the top do, and it has a strong pulling feeling, as if it wants to rise and finish on do.

in the sol-fa singing system在首調唱名法裡，The seventh note第七個音 do, re, mi, fa, so(l), la, ti — then do again就是do, re, mi, fa, so(l), la, ti——然後回到do。It is它是 the note just below the top do最高音do前面的那個音，and it has而且有 a strong pulling feeling很強的拉力感，as if it wants to rise好像想要往上爬升 and finish on do最後停在do結束。

Most students meet it through "Do-Re-Mi" in The Sound of Music, where the line is "Tea, a drink with jam and bread" — a pun, because "ti" is said exactly like "tea".

through "Do-Re-Mi" in The Sound of Music是透過《真善美》裡的「Do-Re-Mi」這首歌 Most students大部分學生 meet it認識這個音, where the line is "Tea, a drink with jam and bread"裡面有一句歌詞是「Tea, a drink with jam and bread」 — a pun這是雙關語, because "ti" is said exactly like "tea"因為「ti」的發音跟「tea」完全一樣

You may also see it written "te" in British books, and older books use "si" instead. That older "si" is the real story: the seventh note was called si for centuries, and someone deliberately changed it to ti so that all seven notes would begin with different letters — with si, both so and si started with s, which is confusing when you write them as single letters (d r m f s l t).

in British books在英式書裡, You may also see it written "te"你也可能看到寫成「te」, and older books use "si" instead而更舊的書則用「si」。That older "si" is the real story那個更舊的「si」才是真正的故事: the seventh note was called si for centuries第七音幾百年來都叫si, and someone deliberately changed it to ti後來有人刻意把它改成ti so that all seven notes would begin with different letters這樣七個音的字首字母才會都不一樣 — with si, both so and si started with s因為用si的話so跟si都是s開頭, which is confusing when you write them as single letters (d r m f s l t)當你把它們寫成單一字母(d r m f s l t)時會搞混

Note that this is a name for a position in the scale, not a fixed pitch: in movable-do teaching, which is what most schools use, ti is whatever note sits seventh in the key you are singing in.

Note that要注意, this is a name for a position in the scale這是音階裡「位置」的名稱, not a fixed pitch不是固定的音高: in movable-do teaching在首調教學法裡, which is what most schools use也就是大部分學校用的方法, ti is whatever note sits seventh「ti」指的就是排在第七個位置的那個音 in the key you are singing in在你正在唱的那個調裡