Reflection of a beam of light on the diaphragm falls on a phototransistor.经膜片反射的光束照射到光敏管上.A beam of light produced by a laser can weld metals.激光器发生的光束可以焊接金属.A beam of light produced a laser can weld metals.激光器发生的光束可以焊接金属...
He is full of [ fruitful in ] expedients .他 办法 多.Perhaps Calonne might return too, with fresh financial expedients.或许卡洛纳也会回来, 带有新的财政机谋.What do you think of those two expedients?你觉得这两种办法 怎么样 ?...
贝内特发起了一场捍卫“道德价值”、反对腐朽堕落的“自由相对论”的战争。Bennett launched a crusade for "moral values" against decadent "liberal relativism."爱因斯坦于1905年创立了相对论。Einstein formulated the Theory of Relativity in 1905.根据相对论，任何东西都无法超越光速。According to ...