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
I've been thinking about you lately.
我最近一直在想着你。
How long is the ticket valid?
这车票有效期多久？
steam boats carried thousands of visitors across the Channel from Europe.
但汽船还是把成千上万的参观者从欧洲大陆送过了英吉利海峡。