他似乎把负号误作正号了.He seems to have mistaken a minus for a plus.出现负号的原因与 33-2 节所讲的相同.The reason for the minus sign is the same as in Section 33 - 2 .这个负号表示这个力总是和速度的方向相反.The negative sign describes the fact that this is always o...
当卵孵化后，幼虫取食寄主的鲜肉。When the eggs hatch the larvae eat the living flesh of the host animal.人们用光学显微镜,在受侵染的寄主中观察到这些微生物.Many of these microbes were observed in the infected host by light - microscope.致病的细菌通常在罹病的寄主的组织里发展.Disease...
药性消退后,他又感到疼痛了.He could feel the pain again as the medicine wore away.人群退后让医生走过去.The crowd fell back to let the doctor through.潮水退后小船搁浅了.When the tide went out , the boat was high and dry....
那户人家把马养在屋前的小围场里。The family kept horses in the paddock in front of the house.我已经把马修原来住的房间装饰了一番。I've fixed up Matthew's old room.要把马练好,缰绳靴刺不可少.It is the bridle and spur that makes a good horse....
But I hear he is in fact the son of a herdsman.不过据臣妾所知,他只是个牧马人的儿子.Lush grasslands beckoned the herdsman.肥沃的草地吸引了牧人.The herdsman drove afield battening his flocks with the fresh dews of night.牧人把羊群赶到野外,用夜晚的新鲜露水催肥.The youn...
在丧礼上,很多人臂戴黑纱.Many people at the funeral were wearing black arm - bands.关于丧礼安排请告知.又及:根本不认识他家里人.Let me know about the funeral etc. do not know his family at all.为这位伟大公民举行的丧礼十分简单.Les obs è ques de ce grand citoyen sont tr è...