Lead(Pb)

Lead(Pb)读音音标

Lead(Pb)意思解释

网络

铅

英英释义

Lead(Pb)

n.

a soft heavy toxic malleable metallic element; bluish white when freshly cut but tarnishes readily to dull grey

\"the children were playing with lead soldiers\"

同义词：Pbatomic number 82

an advantage held by a competitor in a race

\"he took the lead at the last turn\"

evidence pointing to a possible solution

\"the police are following a promising lead\"

同义词：tracktrail

a position of leadership (especially in the phrase `take the lead\')

\"he takes the lead in any group\"; \"we were just waiting for someone to take the lead\"; \"they didn\'t follow our lead\"

the angle between the direction a gun is aimed and the position of a moving target (correcting for the flight time of the missile)

the introductory section of a story

\"it was an amusing lead-in to a very serious matter\"

同义词：lead-inlede

(sports) the score by which a team or individual is winning

an actor who plays a principal role

同义词：starprincipal

(baseball) the position taken by a base runner preparing to advance to the next base

\"he took a long lead off first\"

an indication of potential opportunity

\"a good lead for a job\"

同义词：tipsteerconfidential informationwindhint

a news story of major importance

同义词：lead story

the timing of ignition relative to the position of the piston in an internal-combustion engine

同义词：spark advance

restraint consisting of a rope (or light chain) used to restrain an animal

同义词：leashtether

thin strip of metal used to separate lines of type in printing

同义词：leading

mixture of graphite with clay in different degrees of hardness; the marking substance in a pencil

同义词：pencil lead

a jumper that consists of a short piece of wire

\"it was a tangle of jumper cables and clip leads\"

同义词：jumper cablejumper leadbooster cable

the playing of a card to start a trick in bridge

\"the lead was in the dummy\"

v.

take somebody somewhere

\"We lead him to our chief\"

同义词：takedirectconductguide

have as a result or residue

同义词：leaveresult

tend to or result in

\"This remark lead to further arguments among the guests\"

travel in front of; go in advance of others

同义词：head

cause to undertake a certain action

stretch out over a distance, space, time, or scope; run or extend between two points or beyond a certain point

同义词：rungopassextend

be in charge of

同义词：head

be ahead of others; be the first

同义词：top

be conducive to

\"The use of computers in the classroom lead to better writing\"

同义词：contributeconduce

lead, as in the performance of a composition

同义词：conductdirect

pass or spend

\"lead a good life\"

lead, extend, or afford access

同义词：go

move ahead (of others) in time or space

同义词：precede

cause something to pass or lead somewhere

同义词：run

preside over

同义词：moderatechair

双语例句

1.Thepackage

is available in a

lead(Pb)freeversion,with100%mattetinleadframeplating.该封装采用无铅（Pb）免费版本，与100%雾锡电镀引脚框。forum.esm-cn.com2.Alldevices

in the XOSM

familyofclockoscillatorsarelead

(

Pb

)-

free.XOSM时钟振荡器系列中的所有器件均采用无铅设计。3.Preconditionedaccording

to JEDEC

Level

4a

standards,

the CLCC-6 flat

package

is

lead

(

Pb)

-

freeand

RoHS-compliant

.根据JEDECLevel4a标准预处理的CLCC-6封装无铅（Pb），且符合RoHS。4.Objective:

To study the

protectiveeffectofnimodipine

(NIM)

onhippocampalneurons

in

ratsacutelyexposed

to

lead

(

Pb

)

.目的：了解尼莫地平对急性铅染毒大鼠海马神经元损伤的干预作用。