在有些植物中,光合作用产物是以多聚果糖的形式储藏.In some plants photosynthetic products are stored in the form polyfructosans.波里发现等克分子量的示踪葡萄糖和果糖.Burley found labeled glucose and fructose in equimolar amounts.果糖是大多数的人体必需的基本高级碳水化合物之一.Fructose is ...
You have to learn to take care of your possessions.你得学会保管好自己的财物。Don't worry yourself about me, I can take care of myself.你别担心我，我能照顾好自己。I take care of them to the best of my abilities.我尽我所能地照顾他们。...
他们在树上搭了个高台,从那里可以观察动物而不被察觉.They built a platform in the trees from which they could watch the animals unobserved.但是高台跳水更冒险更刺激.But diving from a high platform is more adventurous, more exciting.他是我的盾牌,是拯救我的角, 是我的高台.He is m...
He permitted himself three cigars a day.他允许他自己一天抽三支雪茄.This is the first - class cigars.这是上等雪茄.He fought with the urge to smoke one of the cigars he'd given up awhile ago.他努力克制自己的烟瘾，不去抽一支戒掉没多久的雪茄。...