biennial laminaria

例句：

1. 1.The biennial flowering plants bloom in the spring and fall.
   两年生植物春天开花，秋天结果。
2. 2. The biennial harvest of the grapes is a significant part of the local economy.
   葡萄的两年一熟收获是当地经济的重要组成部分。
3. 3. The biennial cycle of the plant's growth and reproduction is essential for its survival.
   植物生长和繁殖的两年循环对它的存活至关重要。