Environment pointer
[电] 环境指标
🧩 词语组成解析
pointer
['pɔintə]
n. 建议;线索;教鞭;（测量仪器上的）指针;
🗣️ 情景例句
She majored in math and physics at university.
她在大学里主修数学和物理。
It is better to fight for good than to rail at the ill.
与其抱怨，不如积善。
and so on up to the size of the globe.
如此等等，一直到全球的范围。