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Level 93

tract


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tract
[L]=to draw拉,抽。词根tract的意思与tend正好相反,它来自拉丁动词trahere的动名词词干,意为to draw(拉,抽)。在英语中,tract直接作为名词,意思为“一片土地”,“地带”。
attratct
[at-(ad-) = towards 向;tract = to draw 拉→]。 v. draw towards oneself吸引:A magnet attracts iron.磁石吸铁。
attraction
[attract;-ion n.]。 n.吸引;吸引力
attractive
[attract;-ive a.]。 a.有吸引力的
contract
[con-(com-)=together一起;tract=to draw拉→“to draw together拉在一起”→]。Iv.1 draw together and become more compact收缩:Cold contracts metals.金属遇冷收缩。2 draw (two sides) together to make a legal agreement缔结(条约);订立(合同):The two countries contracted an alliance.两国缔结了盟约。→IIn. a legal agreement that draws together two sides契约;合同:to sign a contract签订契约
contraction
[contract v.;-ion n.]。 n.收缩;缩约词
contracture
[contract v.;-ure n.]。 n. [医学]挛缩
contractive
[contract v.;-ive a.]。 a.收缩的;有收缩性的
contractual
[contract n.;-u-;-al a.]。 a.契约的
extract
[ex-=out;tract=to draw抽→]。Iv.1 draw out or pull out抽出;拔出:to extract a bad tooth拔掉坏牙2draw out or obtain by squeezing抽取;榨取:to extract juice from sugarcanes 从甘蔗榨出糖汁3 draw out or copy imformation from a book
extraction
[extract;-ion n.]。 n.抽出(物);提出(物);摘要
extractive
[extract;-ive a.]。 a.抽出的;提取的
retract
[re-=back回;tract=to draw抽→]。 v.1 draw back or draw in抽回;缩进:The cat retracted its claws.猫把爪子缩了回去。2 draw back or take back (a remark
retraction
[retract;-ion n.]。 n.收回;撤消;缩回;缩进
retractive
[retract;-ive a.]。 a.缩回的;易缩回的
retractile
[retract;-ile a.]。 a.(爪等)能缩回的;收缩的
detract
[de-=away去;tract=to draw抽→]。 v. draw away or take away a part of (value
detraction
[detract;-ion n.]。 n.减损;贬低
detractive
[detract;-ive a.]。 a.减损的;贬低的
distract
[dis-=apart分开;tract=to draw抽,牵引→]。 v. draw apart (the mind)
distraction
[distract;-ion n.]。 n.精神涣散;精神错乱
protract
[pro- = forward 向前;tract = to draw 拉→“to draw the time forward把时间向前拉”→]。 v. prolong拖延,延长:Can you protract your stay for two days?你能在这儿多呆两天吗?
protraction
[protract;-ion n.]。 n.延长;拖延
subtract
[sub- = under
subtraction
[subtract;-ion n.]。 n.减去;减法运算
subtractive
[subtract;-ive a.]。 a.减少性的;带负号的
subtrahend
[sub-;trah;-end n.]。 n.减数
Level 94