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
I'm really concerned about them,
我真的为他们担心,
I can speak English.
我会说英语。
A telescope would have to be as far away as the planet Jupiter to look for life in outer space, because the dust becomes thinner the further we travel towards the outer edges of our own solar system.