Standard reference material(srm)
[化] 标准参考物质
🧩 词语组成解析
standard
['stændɚd]
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 don't feel right about it.
我觉得这样不对。
I worked at the hardware store this afternoon.
我今天下午在五金行工作。
In time, it became an accepted fact the Cox brothers employed a conscientious ghost that did most of their work for them.
随着时间的流逝，考科斯兄弟雇了一个尽心尽责的鬼，他们家的活大部分都让鬼给干了，这件事成了公认的事实。