名詞 slider:

1. a person who slips or slides because of loss of traction
   同義詞：skidder, slipper
2. someone who races the luge
   同義詞：luger
3. freshwater turtle of United States and South America; frequently raised commercially; some young sold as pets
   同義詞：yellow-bellied terrapin, Pseudemys scripta
4. a fastball that curves slightly away from the side from which it was thrown

1. Select it to activate the slider bar on the right, then use the leave and right arrows to adjust the volume.
   使用時(shí)先選擇該項(xiàng)，激活右邊的滑動(dòng)條，然后用左箭頭或右箭頭來(lái)進(jìn)行音量調(diào)整。