However, as the evidence began to accumulate, experts from the Zoo felt obliged to investigate,
可是，随着证据越来越多，动物园的专家们感到有必要进行一番调查，
新概念英语第三册
Lesson 1 A Puma at large
📚 句中词汇解析
从本句中提取的重要词汇
adv. 不管到什么程度;无论如何;然而;可是;
conj. 不管怎样;
💡 how + ev =age （年龄，时代） + er [名词后缀],表示人,行为的主动者，做某事的人 → ad.然而；不管怎样
"But I am very much believable, however, you'll get him to come."
我相信你不管怎样都能把他请来.
近义：instead, nevertheless, nonetheless, notwithstanding, rather, regardless
n. 证词;证据;迹象;明显;
vt. 使明显;显示;表明;证实;
💡 e出+vid看+ence表名词→明显的证据→证据，证人
"You'd better give us as much factual evidence as possible."
你最好向我们尽可能多地提供事实证据.
近义：manifest, bare, show, state, represent, debunk
vt.& vi. 堆积，积累;
vi. （数量）逐渐增加，（质量）渐渐提高;
💡 ac一再+cumul堆积+ate使→堆积起来→积累
"However, as evidence began to accumulate, experts felt obliged to investigate."
然而, 由于证据开始增多了, 专家们感到必须进行调查了.
近义：heap, hoard, huddle, lump, stock, stockpile
反义：apportion, appropriate, assign, mete, parcel, portion
vt. 调查;审查;研究;
vi. 作调查;
💡 in进入+vestig脚印，踪迹+ate动词后缀→根据踪迹调查→调查
"He felt impelled to investigate further."
他觉得有必要作进一步调查。
近义：inquire, inspect, ascertain, ask, overhaul, peruse
反义：skim