种子: seed...
海滩: beach...
作废: to become invalid, to cancel, to delete, to ify...
旋转: to rotate, to revolve, to spin, to whirl...
国徽: national emblem, national coat of arms...
填写: to fill in a form, to write data in a box (on a questionnaire or web form)...
作为: one's conduct, deed, activity, accomplishment, achievement, to act as, as (in the capacity of), qua, to view as, to look upon (sth as), to take sth to be...
折扣: discount...
是否: whether (or not), if, is or isn't...
扫墓: to sweep a grave (and pay one's respects to the dead person)...