[129 bacteriology
◊
He toofc a step backwards.他退后;1-步6 forward 2 in the opposite
direction to the usual one 朝反方向；
倒着：‘AmSukmce’ is wrftten
backwards so you can read
it in the mirror. * ambulance是倒着写的，以便在镜中，,，氣
认读。◊ Jn the
movi’e they take a journey backwards
through time•影片中的人作逆时光旅行。3 towards a
worse state 每况愈下地：了/dt t/iat going to Hve
with my
parents wouW be a step
backwards.我觉得回去和我父每
一同生活会更糟。PT1J3
forward 4 [NAm£) = back to
front at back n. IHTBil
,backward(s) and 'forward(s)
from one place or position
to another and back again
many times 来来回回：She rocfced backwards
and
/orwards on her c/iair.她坐在摇椅上前盾摇晃着。bend/
lean over 'backwards (to
do sth) to
make a great
effort, especially in. order
to be helpful or fair 尽力；
竭力：J’ve bent over
backwards to hdp him•我:已食最大 努力帮助他。一more at know v.
.backwards com'patible (also backward com-
'patible) «〇[/•_
(co/r?pw">)g 计）able to be used with
systems, machines or programs which are older•向后兼 容的；兼容旧系统(或机器、程序）的
back-wash
/'baekwDj;
NAmE -wa:J; -wo:J/ noun [sing.]
1
the unpleasant result of an event 恶果；余波；不良后
果 2 waves caused by a boat moving through
water; the movement of water back into the sea after a wave has hit the beach (行船激起的）反流，尾流；（波浪拍
击岸边后的）退浪
back-water /'baekwo:t8(r)/ noun 1
a
part of a river away from the main part, where the water only moves slowly (often disap
proving) a place that is away from the places where most
things happen, and is therefore not affected by events, progress, new ideas,
etc.与世隔绝的（或缺乏圭
气的、'意后的）地区.：a sleepy/quiet/rural backwater 沉寂的/宁静的/乡下的落后地区
back*woods
/'baekwudz/
noun [pi.] a place that is
away from any big towns and from the influence of modern life边远落后地区
back.woods.man /'baekwudzman/ noun {pi. -men /-man/) (NAm£) a person who lives in
a region far from towns where not many people live, especially one who does not
have much education or good manners (■'尤 指没有文化或粗野的）边远地区居民
back-yard
/^aek'jard;
NAmE-']a:rd/
noun 1 (Sr£) an area with a
hard surface behind a house, often surrounded by a wall (屋后常有围墙的）后院2 (/VAm£) the whole
area behind and belonging to a house, including an area of grass and the garden
(包括草坪釦花园的）屋后
附属地带：a backyard barbecue后院烤肉野宴一see also yard in your (own) backyard in or near the place
where you live or work在自己生.拜（或工作}的 地方附近；在自己的后院：The residents didn’t
want a new factory in their bac^ard.居民歹希望在他们附近建
新工厂。〇 The
party leader is facing opposition in his own bacfcyanJ (= from
his own members).该党领导面临 着党内人士的反对。一see also nimby bac.lava = baklava
bacon /'beikan/ noun [U] meat from the
back or sides of a pig that has been cured
(= preserved using salt or smoke)，usually served in thin
slices 咸猪肉；熏猪肉： a rasher 〇/ bacon —片咸猪肉◊ bacon and eggs
咸肉和
鸡蛋◊ smofceci/unsmofced bacon熏制的/未熏制如揸肉 一 compare
gammon, ham(1), pork see home adv.,
SAVE V.
bact€l"ia ^ /baek'tiaria; NAmE -'tir-/ noun [pi.] [sing. .bac.ter.ium/-iam/)
the simplest and smallest
forms of life. Bacteria exist in large numbers in air, water and soil, and also
in living and dead creatures and plants, and are often a cause of disease.细菌► bac-ter.ial
/-riai/ : bacterial
fn/ections/growth细菌传染/生长 bac-teri-cide /baek'tiarisaid; NAmE -'tir-/ noun [U, C]
{technical #!§) a substance
which is used to kill bacteria 杀菌剂_
bacteriology /baek.tiari'oladsi; NAmE -,tiri'a:l-/ noun [U] the scientific
study of bacteria 细菌学