显微镜的镜头聚焦在样本上。

The microscope's lens is focused on the ___sample.

化妆品店提供免费小样让顾客试用。

The cosmetic store offers free ___samples for customers to try.

超市正在免费发放新口味酸奶的试吃样品。

The supermarket is giving out free ___samples of their new yogurt flavor.

在购买前，你可以先品尝一下这款葡萄酒。

You can ___sample this wine before making a purchase.