单词	chair
释义	noun | verb chairchair1 /tʃɛr/ ●●● S1 W2 noun Etymology ETYMOLOGYchair1 Origin: 1200-1300 Old French chaiere, from Latin cathedra, from Greek, from kata- + hedra seat Collocations COLLOCATIONS► in a chair  He was sitting in a chair. ► into a chair  She sank exhausted into a chair. ► take the chair  Republicans are set to take the chair of the committee. 1 [countable] a piece of furniture for one person to sit on, which has a back, a seat, and legs:  He was sitting in a chair. She sank exhausted into a chair.2[countable] someone who is in charge of a meeting, a committee, or a college department SYN chairperson:  Jones is the committee chair.chair of the chair of the board of governors3the chair the position of being in charge of a meeting or committee:  Republicans are set to take the chair of the committee.4the chair informal the punishment of death by electric shock given in an electric chair:  If he is found guilty, he could get the chair. [Origin: 1200–1300 Old French chaiere, from Latin cathedra, from Greek, from kata- + hedra seat] noun | verb chairchair2 ●○○ verb [transitive] Verb Table VERB TABLE chair Simple Form Present I, you, we, they chair he, she, it chairs Past I, you, he, she, it, we, they chaired Present perfect I, you, we, they have chaired he, she, it has chaired Past perfect I, you, he, she, it, we, they had chaired Future I, you, he, she, it, we, they will chair Future perfect I, you, he, she, it, we, they will have chaired Continuous Form Present I am chairing he, she, it is chairing you, we, they are chairing Past I, he, she, it was chairing you, we, they were chairing Present perfect I, you, we, they have been chairing he, she, it has been chairing Past perfect I, you, he, she, it, we, they had been chairing Future I, you, he, she, it, we, they will be chairing Future perfect I, you, he, she, it, we, they will have been chairing to be the chairperson of a meeting, committee, or college department:  Biden chaired the Senate hearings.
随便看	double-space double-spaced double spacing double standard doublet double take double-talk double-talker doublethink double-time double time double vision double whammy double whole note double-wide doubloon doubly doubt doubter doubtful doubtfully doubting Thomas doubtless douche dough

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