Pentaphenylethane
五苯基乙烷
🗣️ 情景例句
She condemned her son for his behavior.
她责备她儿子的行为。
You are still thinking about a Ph.D., aren't you?
你还是想学成博士，是吗？
It will be found that the weight moves but slightly or not at all.
结果会发现，重物是动了，但动得很小，甚至没动。