unmark

a sheet of unmarked paper.

一有做记号的纸。

an unmarked police car.

一有志的警车。

an unmarked police car; unmarked merchandise.

有志的警车；未带商的商品

She handed him an unmarked card.

她递给他一志的卡片。

the word ‘drake’ is semantically marked as masculine; the unmarked form is ‘duck’.

单词‘drake’的语义记为阳性；其未记形式为‘duck’。

an unmarked plane had been making passes over his house.

一志的飞机在他房子上空飞来飞去。