如: telegram n. 电报 telephone n. 电话 telecommunication n. 电信 2. 前缀“under-”, 表示“在……之下,不够”。如: underline v. 在……下画线,强调 underground adj. 地下的 underestimate v. 低估 Text-Related Exercises Complete the following sentences by using words with affixes of“tele- ”...