报检员重点资料：报检员英语第一部分(7)
发布时间：2009/12/4 17:20:40 来源：城市学习网 编辑：admin
concentration n.专心；集中（注意力）
This thesis will need all your concentration. 这篇论文需要全神贯注才能读懂。
含量（百分比）
What is the concentration of salt in sea water? 海水中盐的含量是多少？
Contamination n. 玷污, 污染, 污染物
Content adj. 满足的；满意的；甘愿的
She is content with very little. 她易于满足。
We should never content ourselves with a little book knowledge only. 我们切不可满足于仅仅有一点点书本知识。
（常与to连用）满足于…的
The old couple seem content to sit in front of the television all night. 老夫妇俩似乎整夜坐在电视机前就心满意足了。
Content vt. 使（人或自己）满足；使满意；使安心
Nothing contents her, she is always complaining. 没有什么能使她满意，她总是抱怨。
Content n. 满意；满足；安心
to one's heart's content心满意足
content 2 n.（书、报纸等的）内容，目次，目录
"It is advisable to look at the contents page of a book, before buying it." 买书前最好是先看一看目录。
含量
the content of silver in a ton of ore一吨矿砂中银的含量
(pl) 内容；所容之物
The contents of the box fell onto the floor. 这个盒子里的东西掉到地上了。
conventional allowance 合同公差
conventional adj. 因袭的；传统的，习惯的
conventional accounting 传统会计（不使用计算机，依靠人工记帐的会计）
常规的；普通平凡的
conventional weapon常规武器
allowance n. 津贴；补助
travelling allowance 出差津贴
an allowance of $10000 a year每年补助1 万
corrosion n.侵蚀, 腐蚀状态
counting of bacteria 细菌计数
crack n. 破裂声；爆裂声
a crack of thunder雷声
裂缝；缝隙
There's a crack in this cup.这只杯子有一条裂缝。
The door opened just a crack.这门只打开一条缝。
分裂；裂开;突然的重击;试图；尝试
He said he didn't know how to swim but would take a crack at it.\他说他不会游泳，但将尽力尝试。
笑话；玩笑；闲谈;（嗓子的）变音，粗哑
criterion n. (批评判断的)标准, 准据, 规范
cross twist 顺手捻，S捻
