他尝试了几百种材料之后最终找到适合用于灯泡的熔丝（fuse）的。
He has tried hundreds of materials before he finally found the suitable fuse for the electric bulb.
He has tried hundreds of materials before he finally found the suitable fuse for the electric bulb.
举一反三
- What did Lenny sometimes think he would do before he finally found another job? He sometimes thought he would .
- He tried to quit smoking, _____ he found impossible.
- He tried to get out of the business _______ he found impossible to carry on.
- There is no electricity again. Has the（）blown then A: fuse B: plug C: wire D: circuit
- Which one is wrong about Thomas Edison?( ) A: He was educated in school. B: His first job is telegraph operator. C: He had many patents. D: He invented electric light bulb.