down什么意思
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1.作为副词
(1)低的:朝向或在较低的地方或位置,尤指在地面或另一表面上:
toward or in a lower place or position, especially to or on the ground or another surface:
例子"she looked down" · "the sun started to go down" · "he put his glass down" · "he swung the axe to chop down the tree" · "she flicked the switch up and down"
近义词:downward;downstairs;from top to bottom;over
(2)低度的:达到或处于较低的强度、体积或活动水平:
to or at a lower level of intensity, volume, or activity:
例子"keep the noise down" · "the panic was dying down" · "at night it would cool down"
(3)处于或处于较弱或较差的位置、情绪或状态:
in or into a weaker or worse position, mood, or condition:
"the disclosures brought down some of the biggest names in the business" · "he was down with the flu"
2.作为介词
(1)从(某物)的较高点降至较低点:
from a higher to a lower point of (something):
例子"up and down the stairs" · "tears streaming down her face"
近义词:lower in/on;to the bottom of
(2)贯穿:贯穿(一段时间):
throughout (a period of time):
例子"astrologers down the ages"
近义词:throughout;through;during;in
3.作为形容词
(1)低的:指向或移动到较低的地方或位置的:
directed or moving toward a lower place or position:
例子"the down escalator" · "click on the down arrow"
(2)不开心的或低沉的:
unhappy or depressed:
例子"he's been so down lately"
近义词:depressed;sad;saddened;unhappy;melancholy;miserable
(3)(指计算机系统)暂时停止工作或不可用的:
(of a computer system) temporarily out of action or unavailable:
例子"sorry, but the computer's down"
近义词:inoperative;malfunctioning;out of order;broken;broken-down
4.作为动词(非正式表达):
(1)撞倒或使跌倒:
knock or bring to the ground:
例子"175 enemy aircraft had been downed" · "he struck Slater on the face, downing him"
近义词:knock down;knock over;bring down;fell;topple;prostrate
(2)消耗(事物,特别是饮品):
consume (something, typically a drink):
例子"he downed a six-pack"
近义词:guzzle;quaff;drain;imbibe;sup;slurp;suck;sip
5.作为名词(非正式表达):
(1)消极时期,不受欢迎的经历或消极情绪的时期:
a period of unwelcome experiences or negative mood:
例子"there had been more downs than ups during his years at the company" · "everyone gets their downs, their depressive periods"
近义词:setbacks;upsets;reverses;reversals;downturns;mishaps
(3)在【美式橄榄球】中表示抢球:球队推进球的机会,当持球者被擒抱或球出界时结束。为了保持控球权,一支球队必须在连续四次进攻中至少前进10码。
a chance for a team to advance the ball, ending when the ball carrier is tackled or the ball becomes out of play. A team must advance at least ten yards in a series of four downs in order to keep possession.