glass bubbles

例句：

1. 1. The glass bubbles were sofragile that they shattered on impact.
   这些玻璃泡非常脆弱，一碰到就碎了。
2. 2. The glass bubbles in the waterare a sign of good health.
   水中的玻璃泡是健康的标志。
3. 3. Theglass bubbles in thewine are a sign of quality.
   酒中的玻璃泡是品质的标志。