软木, 软木塞
a lightweight, impervious, elastic, and buoyant material, the thick outer bark of the cork oak, used for stoppers, insulation, and other purposes
:
• The bottle was sealed with a natural cork.
瓶子用天然软木塞密封。
• Many wine bottles use cork stoppers.
许多葡萄酒瓶使用软木塞。