Selftest
自身测试
🗣️ 情景例句
I shouldn't have done that.
我不该那么做。
Respect yourself, or no one else will respect you.
君须自敬，人乃敬之。
and assuming such an automatic messenger picked up our first broadcasts of the 1920's,
假定外星人的这种自动化信息装置接收到了我们二十世纪二十年代的第一次广播信号，