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An Initial Discussion on Differentiation and Analysis about Crassula Perforate and Crassula Argentea 玉树与燕子掌辨析初探
Crassula perforate 玉树
Hard plastic enema tips can perforate the rectum. 硬的塑料灌肠嘴会刺破直肠。
This machine can perforate the sheets of stamps. 这台机器能在整版邮票上打孔。
Your ear drum has been perforate. 您的耳鼓膜穿孔了。
The perfor mance indexes thereof are tested. 检测了该醇酸树脂的各项性能。
Crassula dubia (Cactus), Conservatory, Hong Kong Park, Central. 象鼻（仙人掌），香港公园温室，中环。
That is, Davey Johnston and I were about to perforate their nets. 也就是说眼看著约翰斯顿和我就要射网得分。
Many things perfor (effectively) but not (efficiently). 许多事情表现得有效但缺乏效率。
We should think about how to promote our perfor mance first. 我们应该首先考虑如何提升我们的业绩，（而不是薪水)。
In advanced stages the opaque corneas may ulcerate and even perforate. 在疾病后期，不透明的角膜可能产生溃疡，甚至穿孔。
The Ascaris adults may perforate a suture line or cause a bile or pancreatic duct obstruction. 成虫可穿破缝线或引起胆管或胰腺管阻塞。
To mark or perforate(a postage stamp or check, for example) to indicate that it may not be used again. 盖邮戳给（如一张邮票或支票）划上标记或打孔，以示它不能再被使用
To mark or perforate(a postage stamp or check,for example)to indicate that it may not be used again. 盖邮戳给(如一张邮票或支票)划上标记或打孔，以示它不能再被使用
Crassula argentea Thunb. 挥发油
To mark or perforate (a postage stamp or check, for example) to indicate that it may not be used again. 盖邮戳:给(如一张邮票或支票)划上标记或打孔,以示它不能再被使用。
Crassula multicava is a perennial succulent plant from the family Crassulaceae. It is also known under various common names including the fairy crassula, pitted crassula and London pride. 还有些别名:妖精青锁龙，麻子青锁龙和伦敦之荣。原产南非，尤其是纳塔尔的山区
This one looks rather like a sponge: thousands of parallel channels perforate a thin wafer of silicon. 这个棘齿看起来比较像纱布：数以千计的平行孔道贯穿一片薄薄的矽晶圆。
In the process of perforate, the function of the overturn wheel can be made precise alignment ensures highest accuracy. 在有标号顺序产品的生产过程中，翻转轮的反转功能可准确地确保产品的次序性。
Orifices perforate the piston and allow fluid to leak through as the piston moves up and down in the pressure tube. 打有小洞的活塞就会随着活塞的上下运动，使避震器内的液压油通过小孔在压力管内流动。