earbud造句

• Insert earbud and rotate it up until is fits snugly . the arm of the unit should be about 10 above horizontal as shown
  将耳塞插入耳内转动直到舒适地贴近耳内。耳塞杠应与水平面呈10度以上。如图所示。
• Insert earbud and rotate it up until is fits snugly . the arm of the unit should be about 10 above horizontal as shown
  戴上并旋转耳塞至耳朵感觉最舒适时止。如图所示，本设备之前臂应置于水平线以上10左右。