This echo-location in bats is often compared with radar, the principle of which is similar.
蝙蝠這種回聲定位常常可與雷達(dá)相比較，其原理是相似的。
新概念英語(yǔ)第四冊(cè)
Lesson 7 Bats
?? 句中詞匯解析
從本句中提取的重要詞匯
n. 回聲，共鳴;（言語(yǔ)、作風(fēng)、思想等的）重復(fù);重復(fù)者;[無(wú)線電]回波;
vt. 重復(fù)，效仿;隨聲附和;類似;發(fā)射（聲音等）;
vi. 被重復(fù);產(chǎn)生回響;充滿回聲;
?? echo-, ech- 表示”聲音 ,噪音”;特備是”回聲”;”重復(fù),模仿”
"There was an echo on the line and I couldn't hear clearly."
電話里有回音，我聽(tīng)不清楚。
近義：repeat, reecho, resonate, resound, reverberate, boom
n. 位置，場(chǎng)所;定位;外景（拍攝地）;
?? loc 地方 + ation 行為、狀態(tài)、過(guò)程 → n.位置，場(chǎng)所
"a honeymoon in a secret location"
在一個(gè)秘密地點(diǎn)度的蜜月
近義：locality, place, position, site, siting, whereabouts
n. 原則，原理;準(zhǔn)則，道義;道德標(biāo)準(zhǔn);本能;
?? prim, prin 表”首先的,領(lǐng)頭的”
"They are agreed in principle but not in detail."
他們的看法在大體上是一致的,但是在細(xì)節(jié)上有所不同.
近義：law, axiom, rule, tenet, motive, point
adj. 類似的;同類的;相似的;同樣的;
n. 類似物;相像的人;相似物;
?? simil一樣+ar...的 →同樣的，相似的
"The basic design of the car is very similar to that of earlier models."
這種汽車的基本設(shè)計(jì)與早期的樣式非常相似。
近義：interchangeable, kindred, like, matched, matching, parallel
反義：heterogeneous, inharmonious, irregular, assorted, asymmetric, asymmetrical
adv. 常常;經(jīng)常;時(shí)常;再三;
?? 十(ten)有八九的(of)， 經(jīng)常的
"Sleep has often been thought of as being in some way analogous to death."
人們常常認(rèn)為睡眠在某種意義上來(lái)說(shuō)類似死亡。
近義：manyfold, oft, oftentimes, repeatedly, usually, offtimes
反義：infrequently, occasionally, seldom, sometimes