betula oil

例句：

1. 1.The beetle's oil is used in perfumes and cosmetics.
   这种昆虫的油被用于香水和化妆品中。
2. 2.The bees collect nectar from the flowers and produce honey with their unique enzymes.
   蜜蜂从花朵中收集花蜜，并使用其独特的酶产生蜂蜜。
3. 3.The beekeeper carefully extracts the oil from the beeswax to preserve it for future use.
   养蜂人小心地从蜂蜡中提取出油来保存以备将来使用。