Leftmost derivation sequence
[计] 最左推导序列
🧩 词语组成解析
a. 最左边的
derivation
['dɛrə'veʃən]
n. 引出，导出;衍生，衍生物;[语]词源，派生;出处，由来，起源;
de 离开 + riv流动 + ation表名词 → deriv(e)流自...=起源+ ation表名词 → 词源；来历
sequence
['si:kwəns]
n. [数]数列，序列;顺序;连续;片断插曲;
vt. 使按顺序排列，安排顺序;[生化]确定…的顺序，确定…的化学结构序列;
🗣️ 情景例句
I think aerobics is easy.
我觉得有氧运动很容易。
I'm looking for a part-time job.
我在找兼职的工作。
But the copy he gave him had not been written out in full as usual.
但这回狱卒给贵族的信没有像往常那样把全文写全，