Light-screening agent

light [laɪt]

n. 光;发光体;电灯;点火器; adj. 轻的;明亮的;浅色的;少量的; v. 点燃;照亮;用光指引; adv. 轻地，轻装地;

screening [['skri:niŋ]]

[医] 筛选, 筛分(如普查癌、结核等病), 萤光屏检查

agent ['edʒənt]

n. 代理人;代理商;药剂;特工; vt. 由…作中介;由…代理; adj. 代理的;

ag做，代理做+ent表人或物→做的人→代理人→作用因素；代理人

I arranged to give a party at my house in her honor.

我在我家为她安排举行了一个聚会。

Although it rains, throw not away your watering pot.

纵然天下雨，休把水壶丢。

The mammoth has now been restored in the Palaeontological Museum in Leningrad. Other animals were trapped in tar pits, like the elephants, sabre-toothed cats, and numerous other creatures that are found at Rancho la Brea,which is now just a suburb of Los

这头长毛象已被修复，现存于圣彼得堡古生物学博物馆。有的动物掉进天然沥清坑里被保存下来，如在兰桥。拉。布里 -- 现在是洛杉矶的郊区发现的大象、剑齿虎和许多其他动物。