Day 54
1.Millennium千年的
2.enrol/ɪnˈroʊl/
v. 注册，报名
e.g.
He enrolled in drama school.
3.alas/əˈlæs/
adv.（表示悲痛或遗憾）哎呀，唉
e.g.
Alas, life is not that simple.
4.sub-Saharan /ˌsʌb səˈhɑːrən/
adj. （非洲）撒哈拉沙漠以南的
5.teaching教学
ed-tech
教育科技（具体的传递知识的手段和媒体）
6.educational technology
教育科技的实践和理论
7.scarce/skers/
adj. 缺乏的，不足的
e.g.
to allocate scarce resources
8.dump/dʌmp/
v. 堆放，扔下
9.folly/ˈfɑːli/
n. 蠢事，蠢行
e.g.
the follies of youth
the follies of war
10.prompt/prɑːmpt/
n. 提示
11.panacea/ˌpænəˈsiːə/
n. 万能之计；灵丹妙药
e.g.
Money is not a panacea for all our problems.
12.obsolete/ˌɑːbsəˈliːt/
adj. 过时的，废弃的
e.g.
Gas lamps became obsolete when electric lighting was invented.
13.hold sb. to account
让某人承担责任
