It helps young plants stay on the right track of development and AIDS seedling morphogenesis, but too much UV-B light can be toxic.
它也将有助于幼龄植物保持正常的生长轨迹和幼苗形态建成，但是高强度的UV - B光照射是有害的。
When I ran track as a child, they told us to never look to the left or to the right, but always stay focused on the finish line.
儿时当我练习跑步时，他们告诉我们绝不要环顾左右，精力要永远放在终点线上。
When I ran track as a child, they told us to never look to the left or to the right, but always stay focused on the finish line.
儿时当我练习跑步时，他们告诉我们绝不要环顾左右，精力要永远放在终点线上。
应用推荐