synthetic

他的道歉听起来很假，缺乏诚意。

His apology sounded ___synthetic and lacked sincerity.

康德区分了综合判断与分析判断。

Kant distinguished between ___synthetic and analytic judgments.

这件夹克是用合成纤维制成的，非常轻便耐用。

This jacket is made of ___synthetic fiber, which is very lightweight and durable.