羽， 羽根， はね， は
1. feather, plume, down
2. wing
3. blade (of a fan, propeller, etc.)
4. shuttlecock (in badminton)
5. shuttlecock (in hanetsuki)
6. arrow feathers
羽毛，羽翎，绒毛
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@ １年生， 一年生， いちねんせい
1. first-year student, first-year pupil
2. beginner, novice, newcomer, person who has been in a role for less than a year
3. annual
4. annual plant
一年级学生；一年生植物