Phote
[医] 幅透(照度单位)
🗣️ 情景例句
He started with them almost forty years ago.
他在那里做了快四十年了。
How can it be so small and heavy?
这样小何以这么重呀？
The deepest holes of all are made for oil, and they go down to as much as 25,000 feet.
在所有洞穴中，为寻找石油所钻的洞是最深的，这些洞可深达25，000英尺。