In this part of the cave, they could hear an insistent booming sound which they found was caused by a small waterspout shooting down into a pool from the roof of the cave.
在这儿，他们可以听见一种连续不断的轰鸣声。后来他们发现这是由山洞顶部的一个小孔里喷出的水柱跌落到水潭中发出的声音。
新概念英语第三册
Lesson 42 Modern cavemen
📚 句中词汇解析
从本句中提取的重要词汇
n. 洞穴;〈方〉地窖;
vt.& vi. （使）塌陷，倒塌;暗中破坏;
vi. 屈服;
💡 cav洞+e → 山洞，洞穴，窑洞
"a dark dank cave"
阴暗潮湿的洞穴
近义：dig, excavate, cavern, crypt, den, dugout
found
[faʊnd]
词频1
词根: found
vt. 创办，成立，建立;
v. 发现（ find的过去式）;找到;到达;发觉;
💡 found基础 → 为(房屋等)打基础，建立，创立
"In some stories, genies are always found inside a lamp or bottle."
在一些故事里, 灯里或瓶子中总是装有妖怪.
近义：base, ground, establish, institute, mount, rest
反义：invalidate, abrogate, negate, nullify, omit, outlaw
n. 部分;零件;参加;地区;
vt. 使分裂;拆移;使分开;
vi. 分开;分离;分岔;
adv. 不完全地，部分地;
adj. 不完全的，部分的;
"The first part of the plan has been safely accomplished."
计划的第一部分已顺利完成。
近义：section, segment, split, divide, fragment, secede
反义：whole, entirety, off, outright, plumb, quite
vt.& vi. 听到，听见;
vt. 听说;得知;听取;审理;
vi. 听;听见;
💡 h(身体两侧)+ear(耳朵):身体两侧能 听见
"I could hear him bumbling around in the kitchen."
我听得见他在厨房里瞎折腾。
近义：listen, overhear, hearken, hark, harken
adj. 坚持的;引人注意的;显眼的;紧急的;
"They were insistent on having a contract for the work."
他们坚持要就这项工作立一份合同。
近义：hellbent, obtrusive, persistent, pushy, tenacious, determined
反义：inaccurate, inconsistent, inexact, irregular, mutable, skittish