But it is difficult to collect bee cell pollen because of being locked in the bee's comb at present.

但蜂房花粉被牢固的贮存在蜜蜂巢房里，采收困难。

youdao

But it is difficult to collect bee cell pollen because of being locked in the bee's comb at present.

但蜂房花粉被牢固的贮存在蜜蜂巢房里，采收困难。

youdao