by letter

基本解釋

The cell selection from the initial cell pool is done by letter affinity.
從初始細(xì)胞池中對(duì)細(xì)胞的選擇由字母關(guān)聯(lián)性來(lái)完成。
At first she did phone her sister and me occasionally, but for the past year has wanted contact only by letter.
開(kāi)始的時(shí)候，她確實(shí)時(shí)常的給她的妹妹與我打電話(huà)，但是這幾年她要求我們只通過(guò)書(shū)信聯(lián)系。
That model went as follows: a small number of columnists opined on politics, culture and events. The readers responded by letter or email: a tiny proportion of that response saw the light of day.
這種模式如此進(jìn)行：幾個(gè)專(zhuān)欄作家對(duì)政治、文化和時(shí)事發(fā)表意見(jiàn)，讀者通過(guò)信件或電子郵件作出響應(yīng)—只有極小一部分響應(yīng)會(huì)得見(jiàn)天日。

The sign is formed by a line across the right foot of the letter "R."
Here's a copy of a letter to Pound by Yeats when they were both living in London.
這有一份葉芝寫(xiě)給龐德的信,他們當(dāng)時(shí)都住在倫敦。
耶魯公開(kāi)課 - 現(xiàn)代詩(shī)歌課程節(jié)選
Ephesians was written by a different disciple of Paul, and he was using as his model for a Pauline letter the actual letters of Paul, or at least some of them that he possessed and knew of.
以弗所書(shū)則由保羅的另一信徒執(zhí)筆，他偽造保羅的書(shū)信,模板是保羅的書(shū)信，或者他所持有的一些保羅的書(shū)信。
耶魯公開(kāi)課 - 新約課程節(jié)選

When encountering an unknown word in kindergarten, we were told to sound it out, understanding it letter by letter.
FORBES: American Political Economy Is No Different From English Language