南北回归线是日照直射点的最远纬度.Tropic of capricorn and cancer is the furthest latitude of sunlight.我们在地图上找到了回归线的位置.We find the position of the tropics on the map.我们怎样衡量我们的样本回归线拟合样本数据有多好 呢 ?How do we think about how well our sample reg...
在白垩质土壤中添加有机物可降低其碱性。Incorporating organic material into chalky soils will reduce the alkalinity.有些土壤其实碱性过强，不利于某些植物生长。Some soils are actually too alkaline for certain plant life.抗酸剂是碱性的，通过中和胃容物中的酸来减轻疼痛。Antacids are alkalin...
I'd never have dreamt of doing such a thing.我做梦也没想过干这样的事。Who'd have dreamt it? They're getting married!谁能想到? 他们都快结婚了!I little dreamt of seeing you here.想不到在这儿见到你....
He's always boasting about how clever his children are.他总是自吹他的小孩是多么聪明.This chap likes to exaggerate and is good at nothing but boasting.这个人言过其实,就会吹牛皮放大炮.Let's not have any boasting.咱们谁也别说嘴....
对每升溶液加入20毫克硅藻土助滤剂.Add 20 mg. of diatomaceous earth filter aid per liter of solution.可不断地加入硅藻土.Diatomite may be continuously added.在分包者的仓库中允许使用硅藻土.One could use Diatomite in storage of a Sub - divider....