Mendelsohn
[人名] 門德爾松
??? 情景例句
I don't know for sure.
我不太清楚。
Need makes the old wife trot.
人急造反，狗急跳墻。（事急老嫗跑。）
Once the oxygen content of the air had risen to 25% it was ready to burn.
一旦氧氣在空氣中的含量達到25%，它就要燃燒。