First-order theory
[計] 一階理論
?? 詞語組成解析
first
[f?st]
n. 第一，最初;頭等;一號，;[樂]高音部;
adv. 最早，最初;首次;寧愿;優先;
adj. 第一流的;最初的，最早的;基本的，概要的;高音的;
num. 第一;
order
['?:d?]
n. 命令;秩序;規則，制度;次序;
vt. 命令;訂購;整理;
vi. 下訂單;
??? 情景例句
She is busy now.
她正忙著呢。
Your account is far from true.
你說的根本不是事實。
A new machine called 'The Revealer' has been invented and it has been used to detect gold which has been buried in the ground.
一種叫“探寶器”的新機器已經發明出來，并被人們用來探測地下埋藏的金子。