世shì

generation, era, age; world. 5 strokes, radical 一, first met in HSK 3.

Pinyin shìStrokes 5Radical 一Band HSK 3Words 5

What 世 is made of

廿 (niàn, twenty).

Three leaves on a branch.

Free, with no account: the app draws each stroke, then you write it and it says which stroke went wrong.

世(shì)界(jiè)	the world 地球上所有的国家和地方地图上画着世界各大洲。This atlas shows the continents that make up our world. Lesson 172, 环球盛典与世界舞台 · 国际视野与外交盛会 · Global Relations, Diplomacy & World Gatherings
世(shì)纪(jì)	a century 一百年的时间长度这座桥已经有一个世纪的历史。This bridge is already a whole century old. Lesson 172, 环球盛典与世界舞台 · 国际视野与外交盛会 · Global Relations, Diplomacy & World Gatherings
去(qù)世(shì)	to pass away 一个人的生命走到了尽头老相国去世后，新政随即推行。After the old chancellor pass away, new policies were put in place at once. Lesson 215, 王朝更替与古都风云 · 历史纵横与名胜古迹 · Historical Chronicles, Dynasty Landmarks & Cultural Heritage
世(shì)界(jiè)杯(bēi)	the World Cup 每四年举办一次的全球足球赛事今年的世界杯吸引了全球球迷。This year's the World Cup drew fans from every corner of the globe. Lesson 172, 环球盛典与世界舞台 · 国际视野与外交盛会 · Global Relations, Diplomacy & World Gatherings
全(quán)世(shì)界(jiè)	the whole world 指地球上所有的国家和地区团队确立了面向全世界的目标。The team set a goal aimed at the whole world. Lesson 472, 群策群力 · 勤敏笃学与惠泽人间 · Industrious Culture & Altruistic Humanity

All 19 of them, and what the radical means, on the 一 radical page.