Quaternization
(=quaternarization)季铵化作用, 成季碱反应
🗣️ 情景例句
Who's your favorite writer?
你最喜欢的作家是谁？
We want to cancel the contract because of your delay in delivery.
由于贵方交货拖延，我方要求取消合同。
and so the tools of long ago have remained when even the bones of the men who made them have disappeared without trace.
因此，尽管制造这些工具的人的骨头早已荡然无存，但远古时代的石头工具却保存了下来。