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- It was suggested that Ca deficiency in plants was caused by the low contents of exchangeable Ca and low pH value in soil. 果园土壤交换态钙含量低及土壤酸性强是引起植株钙素缺乏的主要原因。
- The total and exchangeable Ca in soil and the total Ca in plant increased with the plant succession from arbor trees, herbage-shrubs, shrubs-herbage to sparse shrub-herbage. 植物、土壤总钙及土壤交换态钙含量，都随着次生林、草灌、灌草、稀疏灌草的演替有增加的趋势。
- She and I can't live under the same roof. 她和我不能住在一起。
- You can't judge a book by its cover. 不能根据封面判断一本书(不可以貌取人)
- Results show that the contents of Ca, Mg and B in leaves of lychee, the N/K ratio in pericarp, and the N/K ratio, contents of organic matter and exchangable Ca in soil influence the cracking rate. 初步探明糯米糍荔枝叶片中的钙、镁、硼含量，果皮中的氮钾比，以及土壤中的N/K比、有机质、交换性钙含量影响其裂果率。
- I can't vouch for the accuracy of my memory. 我无法保证我的记忆正确无误。
- Sale goods in this shop are not exchangeable. 本店货物售出概不退换。
- The experiment mainly study the physical chemistry property on amorphous silicate.Its high absorption ability,good ability in which can exchange Ca and Mg and in anti-redeposition. 研究了无定型硅酸钠的理化性能,由于它具有高吸附性、良好的钙、镁离子交换能力和抗再沉积性能。
- Can't you get it into your thick skull that we can't afford it? 你这个笨脑瓜难道不明白我们买不起吗？
- I can't get this screw to come out of the wall. 我无法把这颗螺丝钉从墙上取出。
- A family on a budget can't afford meat every day. 经济拮据的家庭不能每天享用肉食。
- You can't put a price on that sort of loyalty. 那样的忠心是不能用金钱来衡量的。
- I can't bear having a cat in the house. 家中养猫我受不了。
- I can't bear young people casting away their youth. 我无法忍受年轻人虚掷青春。
- I can't say for certain when he will arrive. 我说不准他什么时候会来。
- At a distance of six miles you can't see much. 距离六英里以外的东西很难看清。
- We can't go any farther without a rest. 不休息我们就走不动了。
- You can't go to a job interview looking so scruffy! 你求职去面试不能这邋里邋遢的！
- I can't imagine their acting so rashly. 我不能想象，他们会这样贸然行事。
- Can't I prevail on you to oblige with another song? 我能请求你答应再唱一支歌吗？
