Milligrame
n. 毫克
🗣️ 情景例句
OK.
好。
It is no honour for an eagle to vanquish a dove.
老鹰胜鸽，不足为荣。
Once the oxygen content of the air had risen to 25% it was ready to burn.
一旦氧气在空气中的含量达到25%，它就要燃烧。