She stood on the coarse sand and played with her son.

她和她的儿子在粗糙的沙子上玩。

Thus coarse sand and clay had larger capacity for pyrene sorption.

粗砂粒组和粘粒组对芘的吸附能力较大，细砂粒组和粉砂粒组相对较小。

The test target of "depositing coarse sand and discharging the fine" is basically achieved.

放淤试验工程“淤粗排细”的目标基本得以实现。

Dark gray line of sight was filled with the Gobi Desert, coarse sand with gravel scattered like gravel.

视线里弥漫着灰黑色的戈壁滩，粗糙的沙滩散落着碎石般的沙砾。

In the bedload movement process, coarse sand tended to stay on the sand bar, find sand was brought away.

底沙运动过程中粗粒沙滞留在沙洲，细粒沙被搬走。