入会的英文：
affiliation
enrolment
initiate
initiation

参考例句：

Apply for membership
申请入会

This is the bid to join the club.
这是入会邀请。

Membership is open to any boy or girl in the school.
校内任何男女生都可入会。

Initiation ceremonies
入会仪式

Exclude sB. from memBership
拒绝某人入会

He was barred from membership because of his bad reputation
他因名声不好而被拒绝入会。

The addition of steam inhibits the production of hydrogen cyanide.
水蒸气的加入会抑制氰化氢的生成。

Residence in the area qualifies you for membership.
只要在本区居住就可入会.

Membership is open to all those who subscribe to the aims of the Association. There is no entry qualification.
凡按协会要求缴纳会费的任何人均可入会，没有任何入会资格限制。

To accept as a prospective member of such an organization.
接受入会接受某人成为这样组织的未来成员

affiliation是什么意思：
n. 友好关系，联系；隶属，从属；隶属关系；加入；联盟

The college is affiliated to the university.
这所学院隶属于那所大学。

Our college is an affiliate of the university.
我们的学院是大学的一个附属机构。

Each affiliate must be included.
必须包括每一个附属公司。

enrolment是什么意思：
n. 注册，登记；入学，入会；登记人数，注册人数；入学人数，入会人数

You will be given a reading list at enrollment.
注册时你会收到一份阅读书目。

Cherny was enrolled at the University in 1945.
彻尼1945年在该大学登记入学。

They were enrolled in the royal guard as gunners.
他们被招募到宫廷卫队当枪炮手。

initiate是什么意思：
v. 创始；使初步了解；接纳；倡议；提出
n. 有过经验而熟悉情况的人；新加入者，接受初步知识者
adj. 有过经验而熟悉情况内情的；接受初步知识的

marginal initial
边缘原始细胞[见于植物]

The body is initially at rest, and the spring is initially unstretched.
起初物体是静止的，弹簧也未拉长。

embryo initial cell
胚原始细胞