Touchdowns count as seven points, while defensive interceptions count as three.是什么意思？

Touchdowns count as seven points, while defensive interceptions count as three.

触地得分算七分, 而防守拦截算三分.

touchdowns

n. 触地得分( touchdown的名词复数 )，<空>着陆，降落；

例句
Our team scored three touchdowns in the first half!
我们队在上半场得了3个触地得分.

count

n. 总数，数数，罪状，论点；v. 数数，计算总数，把…算入，重要；

例句
Election boards will count the ballots by hand...
选举委员会将人工计票。

as

adv. 同样地，一样地，例如；prep. 作为，以…的身份，如

例句
As far as I can recall, Patti was a Smith.
我记得帕蒂是姓史密斯的。

seven

num. 七，七个，第七；n. 七，七个；

例句
His wife was sentenced to seven years imprisonment for aiding and abetting him...
他的妻子作为他的从犯被判入狱7年。

points

n. <英>（铁道的）道岔，转辙器，点( point的名词复数 )，要点，特点，重点；

例句
Aberdeen are nine points adrift of Rangers at the top of the Scottish League.
在苏格兰足球联赛中，亚伯丁队比排在首位的流浪者队落后9分。

while

conj. 在…期间，与…同时，虽然，

例句
A Dr Matthew Owens was reported missing while on an expedition to north-eastern Turkey.
据报道，一位叫马修·欧文斯的博士在前往土耳其东北部考察的途中失踪了。

defensive

adj. 防御用的，防守的，辩护的，自卫的；n. 守势，辩护；

例句
...a bomber with twin engines and heavy defensive armament.
配有双引擎和重型防御装备的轰炸机

three

num. 三，三个，第三（章，页等）；n. 三岁，三个人[东西]，三，三个；adj. 三的，三个的；

例句
Outsiders who wed islanders are given only three years' right of abode at first.
岛外的人和岛民结婚之初只能获得三年的居住权。