Vacuum tube amplifier
[电] 真空管放大器
🧩 词语组成解析
🗣️ 情景例句
in other words ... boring.
也就是说， 太无趣了。
After forty years teaching English he thinks it's time to call it a day.
他教英语四十年，认为该退休了。
Almost any day a young porpoise may be seen trying to turn a 300-pound sea turtle over by sticking his snout under the edge of his shell and pushing up for dear life.
几乎每天都可以看到一只小海豚把鼻子顶入一只300磅重的海龟的硬壳下面，拼命地把它翻过来。