Leftmost derivation sequence
[計] 最左推導(dǎo)序列
?? 詞語組成解析
a. 最左邊的
derivation
['d?r?'ve??n]
n. 引出，導(dǎo)出;衍生，衍生物;[語]詞源，派生;出處，由來，起源;
de 離開 + riv流動 + ation表名詞 → deriv(e)流自...=起源+ ation表名詞 → 詞源；來歷
sequence
['si:kw?ns]
n. [數(shù)]數(shù)列，序列;順序;連續(xù);片斷插曲;
vt. 使按順序排列，安排順序;[生化]確定…的順序，確定…的化學(xué)結(jié)構(gòu)序列;
??? 情景例句
Look at that Superman balloon!
你看那個超人氣球
I dropped the letter in the mailbox on the corner.
我把信放到角落上的郵箱里。
It was true that he had just bought a lamb, he explained, but his lamb was black.
不錯，他的確剛買了一只羔羊，阿列科解釋說，但他的羔羊是黑色的。