vac

vac(vas) = empty(空)

vac

来自拉丁语的vac意为empty,它的变形为vas。同义词根有来自拉丁语的van,void以及来自盎格鲁-撒克逊语的wan。 1.devastate(使完全变空 de(=intensive) + vas vt.蹂躏;使荒芜
devastation n.破坏,荒芜;蹂躏
The tornado devastated a 4-block area of the small town. 那场龙卷风使小村庄的四个街区遭到了破坏。 2.vacate(使清空vac(=empty))
vt. 腾出屋子,搬出;退出,让出
vacancy n.空房,空地,空白;空虚
vacant adj.空的;空虚的
The school was vacated for 2 hours while the police searched for a bomb. 在警方搜寻炸弹期间,学校清场两个小时。 3.vacillate(使成空的状态vac(=empty))
vi.犹豫不决,摇摆,踌躇
vacillation n.踌躇,犹豫
During my teenage years my singing voice vacillated between baritone and tenor. 在我十几岁的时候,我的嗓音总是在男中音和男高音之间变换不定。 4.evacuate
v.(特指军人)从...撤退;使疏散,使避难;排空(胃或肠)*e evacuation n.撤离,撤退;疏散;排泄(物)
evacuee n.避难民,被疏散者
evacuate a fort 撤离要塞
The children were evacuated to the country. 孩子们被送到乡下避难。 5.vacancy
n.空;空间;空虚;空白;空房,空地;心不在焉(的状态);空职,空缺;空额
look into vacancy 失神地望着
good vacancies for typists and clerks 优厚的打字员和办事员的空缺
fill(up) a vacancy 填补空缺
three vacancies in the apartment 公寓里的三间空房
I'd like to make a reservation for tonight. Do you have any vacacies ? 我想今晚订一间房,请问还有空房吗?

6.vacant
adj.空白的,空的,空着的;(时间)空闲的;(心灵)空虚的;(眼神)茫然的
vacant space 未使用的空间
vacant room 空房间
vacant position 空职位
vacant possession 空屋(或空地)的合法占有
vacant expression/stare 茫然的表情/茫然的凝视 7.vacation
n.(大学的)假期;(法庭的)休庭期;休假日,休假;(特指避暑、避寒等的)休假旅行;(房屋等的)空出;辞职 v.度假
vacationist n.休假者
on vacation 休假中
His vacation of a good position in the Civil Service was unwise. 他辞去不错的公务员工作非明智之举。 8.vacuous
adj.发呆的;愚蠢的;茫然的;没有意义的;漫无目的的
vacuously adv.直愣愣地;愚蠢地
vacuity n.心不在焉;空虚;愚蠢;空洞无聊的话(或行为) 9.vacuum
n.真空
vacuum cleaner 真空吸尘器
vacuum flask/bottle 保温瓶,热水瓶
vacuum pump 真空泵,真空抽气机
vacuum tube/valve 真空管 10.vain
n.无效的;空虚的(没有内容的) 11.vanity
n.空虚;虚荣(心) 12.vanish
v.消失;消灭(变成空虚) 13.evanesce
v. 逐渐消失(出去而消失)《e- = ex- = out》 14.evanescence
n.逐渐消失 15.evanescent
adj.易消散的;暂时的 16.ineviable
adj. 不可避免的《in- = not;e- = ex- = out》
《in(not) + 拉丁文evitare(to avoid》 17.vainglorious
adj.自负的;虚荣心强的《vain(empty) + glor(glory) + -ious(形容词后缀)》