有电视看对于老年人来说是难得的好事.A TV can be a real blessing for old people.认识你是一件难得的事.It is a great privilege to know you.坐失这个良机, 那是太傻了,这是一生中难得的机会.It would be foolish to let such an opportunity slip; it's a chance of a lifetime....
In this weather the cliff face was a foggy drop into infinity.在这种天气条件下,雾蒙蒙的悬崖隐入广漠无限之中.It is impossible to count up to infinity.不可能数到无穷大.Theoretically, a line can extend into infinity.从理论上来说直线可以无限地延伸....
Hormone secretion is controlled by the pituitary gland.荷尔蒙的分泌是由垂体控制的.PNPS lib can promoted the interleukin 2 ( IL - 2 ) secretion of spleen.此外, PNPSb 体外能显著提高小鼠脾淋巴细胞分泌IL -2 的水平.secretion of milk by the mammary glands乳腺的奶汁...
in a paroxysm of rage突然发起脾气a paroxysm of coughing一阵咳嗽The paroxysm and destructiveness of crisis incidents increase the difficulty in management.由于危机事件具有突发性、破坏性等特点,从而增加了对其管理的难度.He exploded in a paroxysm of rage.他突然勃然大怒。a ...