考研英語長難句|Day139

01

今日長難句

The behavioral sciences have been slow to change partly because the explanatory items often seem to be directly observed and partly because other kinds of explanations have been hard to find.

02

詞彙解析

explanatory adj. 解釋性的(常作定語)

item 項目;一則;一件東⻄

observe 觀察

主幹:主語behavioral sciences + 系have been + 表語slow to change

時態:文中兩次出現have been,屬於 be 動詞的現在完成時,譯爲:一直、持續

修飾:原因狀語從句partly because,解釋主幹

04

參考譯文

The behavioral sciences have been slow to change

partly because the explanatory items often seem to be directly observed andpartly because other kinds of explanations have been hard to find.

行爲科學一直髮展緩慢

原因1️⃣解釋性內容,似乎通常源於直接觀察

原因2️⃣其他類型的解釋方法,始終難尋。