Polysoap
聚皂(高分子表面活性剂)
🗣️ 情景例句
As far as English is concerned, he is second to none.
就英语来说，没有人能够比得上他。
Dogs that bark at a distance bite not at hand.
远处叫得凶的狗，不会近身来咬人。
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，