英语语法分析

The pollen can then be separated from the rest of the catkin by sieving through cheesecloth or fine screen.

以粗纱布或细筛过筛，便可将花粉同柔荑花序的其它部分分开。

Slowly pour the cool oil into the cheesecloth covered bowl.

缓缓将冷却的油倒入盖有粗棉布的碗里。

Let sit for 30 minutes. Set a strainer over a bowl, and line it with cheesecloth.

30分钟后，在碗上架一个滤网，并铺上粗棉布。