英语语法分析

For your career, Betula forest without relying on heaven - sent, mainly by self - seeking.

适合你的事业，白桦林不靠天赐，主要靠自我寻找。

A new method of determining the antioxidant activity of betulin from betula bark is established.

建立了一种测定白桦树皮中白桦脂醇对羟自由基清除率的新方法。

The fine-roots of Betula platyphylla forest have quick decomposition rate, so it plays an important role in soil nutrient return.

白桦林细根分解较快，在土壤养分归还方面能发挥重要作用。