| 单词 | speaker system |
| 释义 | > as lemmasspeaker system speaker system n. ΚΠ 1973 C. Himes Black on Black 172 A speaker system was installed to throw his powerful voice even farther. 1974 Times 4 Mar. 1/8 At about 4.40 pm the hijacker in the cockpit announced over the speaker system that the aircraft would be landing at Amsterdam. < as lemmas |
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