n. 标准,规格;旗,军旗;度量衡标准;直立支柱;
adj. 标准的,合格的;普遍的,一般的;公认为优秀的;
🗣️ 情景例句
Oh ... Harry!
噢……Harry!
Well done!
干得好!
But here we come up against the most difficult of all obstacles to contact with people on other planets ----the astronomical distances which separate us.