Farm Animals
저자: Catherine Ryan
1. Sheep
1.1. Lambs
2. Horse
2.1. Foal
3. Cow
3.1. Calf
3.1.1. INS to insert (Windows)
3.1.2. TAB to insert (Mac OS)
3.1.3. ENTER to add siblings
3.1.4. DEL to delete
3.1.5. Press F1 to see all key shortcuts