VOA常速英语:US Tribes Struggle With Growing Enrollment

depend on随…而定; 取决于
例句：Whether the game will be played depends on the weather.
比赛是否举行要看天气而定。

2. Enrolling in a tribe is not like immigrating to another country or joining a social club.

enroll in (使)加入
例句：Recently he enrolled in the Chinese Medical Association.
他最近加入了中华医学会。

3. Tribal citizenship is based on blood lines.

base on使建立在…基础上,立足
例句：Action should be based on solid facts.
行动应有确凿的事实为依据。

4. So we have our peoples coming back from other states. They're coming home because there is an economy.

come back回来
例句：I'm going away and I may never come back.
我要走了, 可能永远不再回来。

5. At Tulalip, that adds up to a 22 percent growth rate over the past decade.

add up to总计达, 总共是
例句：The money adds up to 100 dollars.
这笔钱总计达100美元。

6. Tribal members voted to clamp down on new enrollments in 2005.

clamp down强行限制;进行取缔
例句：They clamped down on drug pushers.
他们严厉取缔贩毒。

7. But other members wrote letters and posted online to warn against opening the "floodgates" of tribal membership.

warn against告诫, 当心, 提防
例句：The doctor warned the patient against smoking.
医生告诫病人不要吸烟。

8. Over the years, people have complained about "tribal jumpers."

complain about抱怨, 投诉
例句：He never complained about working overtime.
他从来不因加班而抱怨。

9. It takes just a couple of generations of intermarriage to put the children at risk of being disqualified from membership.

disqualify from使不合格
例句：His youth disqualified him from getting the job.
他太年轻, 因而没能得到这份工作。

10. Dozens of tribes around the country including the Tulalips and Puyallups have gotten rid of blood quantum requirements altogether.

get rid of除掉, 去掉；摆脱
例句：He can't get rid of the cold.
他的感冒老是好不了。