01
今日長難句

The plastic debris saturating our oceans has all kinds of well-documented toxic effects on ocean life many of which, in turn, harm humans, but scientists and conservationists have struggled to find sustainable cost-effective ways to clean it up.

---

02

詞匯解析

detonate [?det?ne?t] v. 引爆，（使）爆炸intensify [?n?tens?fa?] v. 加劇，增強downturn [?da?nt??rn] n. 經(jīng)濟低迷，衰退leave [li?v] v. 讓......處于cohort [?ko?h??rt] n. 一群人，一批人wrecked [rekt] adj. 毀壞的

---

03

結(jié)構分析

?句子主干：The plastic debris has effects on ocean life, but scientists and conservationists have struggled to find ways?定語1：saturating our oceans?定語2：all kinds of well-documented toxic?定語從句：many of which harm humans?定語3：sustainable cost-effective?狀語：to clean it up?插入語（狀語）：in turn

---

04

參考譯文

The plastic debris saturating our oceans has all kinds of well-documented toxic effects on ocean life many of which, in turn, harm humans, but scientists and conservationists have struggled to find sustainable cost-effective ways to clean it up.充斥著海洋的塑料碎片對海洋生物有著各種各樣且證據(jù)確鑿的毒害影響，而這些受毒害的海洋生物反過來又會傷害人類，但是科學家和環(huán)保主義者很難找到可持續(xù)的、具有成本經(jīng)濟效益的方法來清理這些塑料垃圾。

掃描下方二維碼，獲取更多考研英語備考指南??