我和诺特曼讨论了这个想法的可行性。Knotman and I discussed the practicability of the idea.他们的国防市场太小，就经济可行性而言不足以维持生产。Their defense markets are too small to sustain economically viable production runs.关于该病例做手术的可行性，我持有疑问。I have doubts about ...
By far the most common snake in Britain is the adder.在英国最常见的蛇是蝰蛇.He is as deaf as a post [ stone , door - post , door - nail , an adder ].他完全聋 了.The adder is Britain's only venomous snake.蝰蛇是英国唯一的一种毒蛇。Full adders ar...
Macular stains are ery light, pink or tan - colored birthmarks that are ery common and harmless.色斑是浅色 、 粉红色或棕褐色的胎记,很常见而且无害.Spot Lifter is ideal for erasing skin flaws such as moles, birthmarks, acne, and beauty marks.地点举...