P fertilization increased N, P and K accumulation in tree biomass and nutrient use efficiency in wood and biomass production.

施P肥还增加了树木N、P和K的养分积累量，提高了上述养分的利用效率。

youdao

A wintry wind whipped through the park, but by 10 p. m., aloft in the tree, it was as quiet as Manhattan gets.

寒风刮过公园，但是晚上10点的树顶就像整个曼哈顿一样宁静。

youdao

If you say you were going to meet under that big tree at 2 p.m.

WSJ: Masters 2012: Navigating a No-Phone Zone

Obama will join the President at the National Park Service at the National Park Foundation's Annual National Christmas Tree Lighting Ceremony held on the Ellipse at 5:00 p.m. eastern.

WHITEHOUSE: Press Briefing