proplastid怎么读，proplastid什么意思，proplastid短语和例句

1.Fine fibrils of proplastid were observed in electronic less dense region.

在电子密度低的区域能观察到前质体的纤维丝。

2.Fine fibrils of proplastid were observed in electronic less dense region.

在电子密度低的区域能观察到前质体的纤维丝。