4周搞定2000+托福核心词
biodegradable = bio(生物) + de(向下) + grad(级别) + able(能…的) = 生物上可以向下降级的→可生物降解的
deduce = de(向下) + duce(引进去) = 向下拉引→推论
inclination = in(进入) + clin(倾斜) + ation(表结果) = 进入斜坡→偏向，喜爱
recline = re(向后) + clin(倾斜) + e(动词后缀) = 躺；靠；斜倚
amuse = a(动词) + mus(娱乐) + e(名词后缀) = 逗乐
antidote = anti(反抗) + dot(给) + e(名词后缀) = 说出来未反抗的故事→解药，方法
向下倾斜→减少；下降
decline
常考释义
Forest decline is still poorly understood but leads to the loss of a high proportion of a tree's needles or leaves.
人们很少理解森林衰退，直到森林衰退导致大部分树针或树叶的损失。
来源于：剑雅7-Test3n. 下降；减少
There wasn't such a big decline in enrolments after all.
注册人数最后没有大量减少。
Cheque use is on the decline among personal bank customers.
银行个人客户对支票的使用越来越少。
Beer sales are in decline.
啤酒销量在下降。
There's been a radical decline in the incidence of syphilis.
这些事件使梅毒的发生率显著降低。
来自《1600年后西方社会的流行病第12集》
图片源自网络
n. 衰退；衰落
The first signs of economic decline became visible.
经济衰退的最初征兆开始显现。
The economy is in decline.
经济正处于衰退状态。
The shipbuilding industry has fallen into decline.
造船业已经日薄西山。
vi. 减少；下降
The number of staff has declined from 217,000 to 114,000.
员工人数从21.7万人降到了11.4万人。
The population has declined dramatically.
人口数急剧减少。
Rewards are declining.
报酬正在减少。
Standards are declining.
标准正在下降。
vi. 拒绝；婉拒
He offered the boys some coffee. They declined politely.
他给男孩们拿了一些咖啡，但他们礼貌地拒绝了。
The band declined to comment on the story.
乐队婉言拒绝评论此事。
No Vulcan has ever declined admission to this Academy.
还从来没有瓦肯人拒绝进入这所学院。
来自《星际迷航11》
图片源自网络
n. 消耗病；痨病<古>
Presently she fell into a decline and died.
不久，她染上了痨病，最终过世了。
vt. 拒绝；婉拒
I politely declined his invitation.
我礼貌地谢绝了他的邀请。
Lorna had declined the offer of antidepressants.
洛娜拒绝服用抗抑郁药物。
vi. 下倾；倾斜
This vast plateau gently declines towards the ancient city of Balkh.
这片广袤高原向巴尔赫古城方向地势逐渐下降。
vi. 衰退；恶化
Her health declined rapidly after her stroke.
中风之后，她的健康状况迅速恶化。
n. 斜坡
vt. 列出…的变格【语法】
vi. 变格【语法】
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