Peris' tests
[医] 珀耳斯氏试验(检含铁血黄素)
🧩 词语组成解析
n. 测验（test的复数）
🗣️ 情景例句
It's just ... slow.
只是……太慢了。
The wise man knows he knows nothing,the fool thinks the knows all.
聪明人自认一无所知，愚笨人自负无所不晓。
since ground stations and satellites cannot see everywhere.
因为地面工作站和卫星不可能看到地球上的每一个地方。