Pivalaldehyde
[化] 新戊醛; 三甲基乙醛
🗣️ 情景例句
Nobody. That's the problem.
没有人。这就是问题所在。
What do you do?
你是做什么的？
' The manager was sympathetic, but he could do nothing.
”经理深表同情，但却无能为力。