先生曰：“凡饮食只是要养我身，食了要消化。若徒蓄积在肚里，便成痞了，如何长得肌肤？后世学者博闻多识，留滞胸中，皆伤食之病也。”
1
gravitate
|ˈgrævɪteɪt|
v
(formal)
gravitate to/toward(s) sb/sth
to move towards sb/sth that you are attracted to 被吸引到；受吸引而转向
Many young people gravitate to the cities in search of work.
许多年轻人被吸引到城里找工作。
2
infrastructure
|ˈɪnfrəstrʌktʃə(r)|
[可数名词, 不可数名词] the basic systems and services that are necessary for a country or an organization to run smoothly, for example buildings, transport and water and power supplies （国家或机构的）基础设施，基础建设
[派生词]
infrastructural
|ˌɪnfrəˈstrʌktʃərəl|
adj.
[常用于名词前]infrastructural development
基础建设的发展
3
harness
|ˈhɑ:nɪs; 美 ˈhɑ:rnɪs|
n
a set of strips of leather and metal pieces that is put around a horse's head and body so that the horse can be controlled and fastened to a carriage , etc. 马具；挽具
a set of strips of leather, etc. for fastening sth to a person's body or to keep them from moving off or falling （用于人，起固定或保护作用的）背带，保护带
a safety harness
安全带
in harness
(British English) doing your normal work, especially after a rest or a holiday （尤指休息或假期结束后）做正常工作
in harness (with sb)
(British English) working closely with sb in order to achieve sth （同某人）联手；密切合作
v
[动词 + 名词短语]
~ sth (to sth) to put a harness on a horse or other animal; to attach a horse or other animal to sth with a harness 给（马等）上挽具；用挽具把…套到…上
to harness a horse
给马上挽具
(figurative)In some areas, the poor feel harnessed to their jobs.
有些地区的穷人感觉终身被套牢在他们的工作上。
to control and use the force or strength of sth to produce power or to achieve sth 控制，利用（以产生能量等）
We must harness the skill and creativity of our workforce.
我们必须尽量发挥全体职工的技能和创造力。
4
couple
|ˈkʌpl|
[常见词义：n 一对，一双]
v
[动词 + 名词短语][常用被动态] ~ A (to B) | ~ A and B together to join together two parts of sth, for example two vehicles or pieces of equipment （把车辆或设备等）连接，结合
The two train cars had been coupled together.
两节火车车厢已经挂上钩了。
[单独使用的动词](formal) (of two people or animals 两人或两动物) to have sex 性交；交配
couple sb/sth with sb/sth
[常用被动态] to link one thing, situation, etc. to another 把…与…连接起来
同：combine with
Overproduction, coupled with falling sales, has led to huge losses for the company.
生产过剩加上销售下降使这家公司遭受巨大损失。
5
selective
|sɪˈlektɪv|
[常用于名词前] affecting or concerned with only a small number of people or things from a larger group 选择性的；有选择的
selective strike action
有选择的罢工行动
~ (about/in sth) tending to be careful about what or who you choose 认真挑选的；严格筛选的
Their admissions policy is very selective.
他们执行严格挑选的录取政策。
a selective school (= one that chooses which children to admit, especially according to ability)
择优录取学生的学校
selectively
adv.
The product will be selectively marketed in the US (= only in some areas).
这种产品将有选择地投放到美国某些地区的市场。
selectivity
|səˌlekˈtɪvəti|
noun
[不可数名词]Schools are tending towards greater selectivity.
学校对新生的选拔有趋严之势。
6
alumni
|əˈlʌmnaɪ|
[复数](especially North American English) the former male and female students of a school, college or university （统称）校友，毕业生
Harvard Alumni Association
哈佛大学校友会
7
premise
|ˈpremɪs|
(formal) a statement or an idea that forms the basis for a reasonable line of argument 前提；假定
the basic premise of her argument
她的论证的基本前提
His reasoning is based on the premise that all people are equally capable of good and evil.
他的推理是以人可以为善亦可以为恶为前提的。
8
volatile
|ˈvɒlətaɪl; 美 ˈvɑ:lətl|
(often disapproving) (of a person or their moods 人或其情绪) changing easily from one mood to another 易变的；无定性的；无常性的
a highly volatile personality
反复无常的个性
(of a situation 情况) likely to change suddenly; easily becoming dangerous 可能急剧波动的；不稳定的；易恶化的
a highly volatile situation from which riots might develop
可能会出现动乱的极不稳定的局势
a volatile exchange rate
剧烈波动的汇率
(technical 术语) (of a substance 物质) that changes easily into a gas 易挥发的；易发散的
Petrol is a volatile substance.
汽油是挥发性物质。
9
militant
|ˈmɪlɪtənt|
using, or willing to use, force or strong pressure to achieve your aims, especially to achieve social or political change 动武的；好战的；有战斗性的
militant groups/leaders
好战团伙 / 领导人
10
implement
|ˈɪmplɪment|
v
[动词 + 名词短语] to make sth that has been officially decided start to happen or be used 使生效；贯彻；执行；实施
同：carry out
to implement changes/decisions/policies/reforms
实行变革；执行决议 / 政策；实施改革
n
a tool or an instrument, often one that is quite simple and that is used outdoors 工具；器具；（常指）简单的户外用具
agricultural implements
农具
