精选优质文档-倾情为你奉上Translation Exercises2 (确定词义):1. His plane developed engine trouble only seven miles after take-off.2. Modern aircraft are so heavy that the wings must develop a very large lift force in order to sustain the aircraft.3. Inspired by these ideas, in 1752, Franklin developed a practical lightning rod.4. A hypothesis is a specific statement developed by a scientist from observations.5. Until the domain theory of magnetism was developed, they did not have much success.6