Perhydrophenanthrene
菲烷, 全氢化菲
🗣️ 情景例句
Learning to express oneself well in an important part of education.
学会把意思表达清楚是受教育的一个重要方面。
Let sleeping dog lie.
勿惊卧狗；切莫惹是生非。
They may even accuse them of disloyalty,
他们甚至责备孩子不忠，