The cry had certainly come form one of the chimneys, but as there were so many of them, the fire fighters could not be certain which one it was.
喊叫声肯定是从烟囱里传出来的，然而，因为烟囱太多，消防队员无法确定到底是哪一个。
新概念英语第三册
Lesson 35 Justice was done
📚 句中词汇解析
从本句中提取的重要词汇
adv. 无疑;当然;确定;肯定;
💡 certain确实的+ly副词后缀，…地 → 确实地，一定地，当然地
"I shall certainly keep a beady eye on his behaviour."
我一定会时刻睁大眼睛提防他的行为。
近义：indeed, indubitably, inevitably, infallibly, assuredly, absolutely
反义：hesitatingly, hesitatively, indecisively, arguably, tentatively, wonderingly
n. 形状，形式;外形;方式;表格;
vt. 形成;构成;组织;塑造;
vi. 形成，产生;排队，整队;
💡 form =shape,表示”形状”
"The noun " mouse " is the singular form of " mice " ."
名词mouse是 mice 的单数形式.
近义：past, background, record, dossier, antecedents, institute
反义：hypertrophy, misshape, twist, uglify, warp, contort
vi. 来;开始;出现;发生;
vt. 做;装扮…的样子;将满（…岁）;
int. 嗨！;
"The time has come for action if these beautiful animals are to survive."
若要使这些美丽的动物能生存下去，现在就要行动起来。
近义：impersonate, perform, personify, portray, represent, stage
反义：leave, absquatulate, retire, retreat, scat, split
n. 火，燃烧物;火灾;射击，发射;热情;
vt.& vi. 开火，射击;燃烧;引爆炸药;充满热情;
vt. <口>解雇;射（箭）;激励;射出（子弹）;
"They set fire to the city and massacred all the inhabitants."
他们放火烧了这座城市,而且屠杀了所有的居民.
近义：sack, suspend, terminate, boot, discharge, cashier
反义：recruit, retain, contract, employ, engage
adj. 某一;必然的;已确定的;
pron. [动词用复数]某些;
"Federal courts have a certain cachet which state courts lack."
联邦法院有某种州法院所缺乏的特别的东西.
近义：some, inarguable, indisputable, indubitable, invariable, irrefragable
反义：neither, implausible, improbable, uncertain, unlikely, avoidable