The first essential in elephant training is to assign to the animal a single mahout who will be entirely responsible for the job.
驯象中至关重要的是指派一名专门的驯象员，全面负责这项工作。
新概念英语第四册 Lesson 41 Training elephants

📚 句中词汇解析

从本句中提取的重要词汇

essential [ɪ'sɛnʃl] 词频2 词根: ess
adj. 基本的;必要的;本质的;精华的; n. 必需品;基本要素;必不可少的东西;
💡 essent=be存在，本质 + ial ...的 → 必要的，本质的
"The essential thing is that the two of you ought to agree."
根本的问题是你们俩应意见一致.
近义：must, necessity, proviso, requirement, requisite, condition 反义：nonissue, needless, pointless, profitless, purposeless, redundant
assign [ə'saɪn] 词频2 词根: sign
vt. 分派，选派，分配;归于，归属;[法律] 把（财产，权利、利息）从一人转让给另一人;把…编制; n. [常用复数][法律]受让人，接受财产等转让的人，受托者;
💡 as一再+sign记号→不断给人标记号→指定；分配
"It is possible to assign an exact date to this building."
这座建筑物的确切年代是可以确定的.
近义：apply, appoint, apportion, appropriate, mete, dedicate
animal ['ænɪml] 词频1 词根: anim
n. 动物，兽，牲畜;<俚>家畜，牲口;<俚>畜生（一般的人）;兽性; adj. 动物的;肉体的;肉欲的;
💡 anim生命，精神+al名词后缀→有生命的东西→动物
"I have an allergy to animal hair."
我对动物毛过敏。
近义：beast, crittur, creature, critter, physical, beastly 反义：vegetal
entirely [ɪn'taɪɚli] 词频1 词根: 触摸
adv. 完全地;完整地;全部地;彻底地;
💡 ex-, e-, ef- 前缀;表示在……外面,从……来;向上的;完整的;剥夺
"He was actuated entirely by malice."
他完全是出于恶意。
近义：absolutely, off, outright, plumb, positively, quite 反义：insufficiently, scarcely, scrappily, skimpily, truncately, unexhaustively
responsible [rɪ'spɑnsəbl] 词频2 词根: spond
adj. 尽责的;承担责任;负有责任的;懂道理的;
💡 respons=response回应+ible能...的→能回应的→负责任的
"the manager who is largely responsible for the team's victory"
对该队获胜起主要作用的教练
近义：occasioning, reliable, sedate, serious, staid, sure 反义：undependable, untrustworthy, feckless

📚 更多「新概念英语第四册」例句

and an American-made dialysis machine needs the EU's okay before is hits the market in Europe.
而美国制造的透析仪也要得到欧盟的首肯才能进入欧洲市场。
Young men who have reason to fear that they will be killed in battle may justifiably feel bitter in the thought that they have cheated of the best things that life has to offer.
有理由害怕自己会死在战场上的年轻人，想到自己被剥夺了生活所能给予的最美好的东西时，感到痛苦，这是可以理解的。
In fact a basic amount of movement occurs during sleep which is specifically concerned with preventing muscle inactivity.
事实上，睡眠状态下仍有着基本的活动量，以防止肌肉活动停止。
Apparently what happened was that water collected on these tar pits, and the bigger animals like the elephants ventured out on to the apparently firm surface to drink, and were promptly bogged in the tar.
沥青坑里积存了水，大象那样的大动物冒险到似乎坚固的水面上去饮水，立即掉进了沥青坑。
it takes much less energy to accelerate to that 1.5 miles per second than it does on Earth.
在月球上加速到每秒1。5英里比在地球上所用能源要少得多。
international standards of water treatment are usually followed at bottling plants.
装瓶厂通常遵循国际水处理的标准。