Marsh's test
[医] 马希氏试验(检砷或锑)
🧩 词语组成解析
🗣️ 情景例句
Excuse me. My name is Richard Stewart.
对不起 我叫Richard Stewart。
We never know the worth of water till the well is dry.
井干方知水可贵。
it takes much less energy to accelerate to that 1.5 miles per second than it does on Earth.
在月球上加速到每秒1。5英里比在地球上所用能源要少得多。