要让他们达标，需要不断努力。It's a constant struggle to try to keep them up to par.采样检验的结果表明牛奶中的脂肪含量达标.The results of the sample for the test have shown that the quantity of fatty substance in milk is appropriate to the standard....
有些植物在寒冷的气候条件下不能结果实.Some plants will not seed in a cold climate.科学家将研究各种树木，并观察哪些会结果实。The scientists will study the variety of trees and observe which are fruiting.他砍掉那些不结果实的植物。He cut down those acarpous plant....