中国呼吁建立正式器官捐赠制度

2. reliance n. 依靠, 依赖,信任
例句：A child has reliance on his or her mother.
孩子都依赖于母亲。

3. restrict vt. 限制;限定;约束
例句：His activities were restricted by old age.
他的活动因年事已高而受到限制。

4. option n. 可选择的东西
例句：How many options are there open to us?
我们有几种选择的可能?

5. pose vt. 造成,引起
例句：The increase in student numbers poses many problems for the schools.
学生人数增加给学校造成许多问题。

6. obstacle n. 障碍(物);妨碍
例句：Her parents' opposition is an obstacle to her marriage.
她父母的反对是她结婚的障碍。

7. exert vt.用(力); 尽(力)；运用, 发挥, 施加
例句：He's been exerting his influence on his friend to change his decision.
他一直在影响他的朋友改变决定。

8. hinder vt. 阻碍,妨碍,阻挡
例句：Heavy snow hindered construction work.
大雪阻碍了建筑工程的进展。

9. witness vt. 是发生…的地点（或时间、组织等）；见证
例句：The year 1849 witnessed a great war in Hungary.
一八四九年匈牙利发生了一场大战。

10. channel n. 途径;渠道;手段
例句：You should go through the official channels if you want the government to help.
你应该通过正式渠道来争取政府的帮助。