blow sand

基本解释

When winds blow sand particles against a large rock for a long time, the softer layer of the rock are slowly worn away.
由于风将砂粒刮起来，碰撞大岩石，久而久之，较松软的岩石层就被慢慢地磨损。（只能译成“较”，不能译为“更”）
The results showed that the three factors(gale, blow sand and drought) affect the success of forestation on sandy wasteland at wind gap district;
研究结果表明：影响沙荒风口造林成功最主要是每年秋冬季的大风、飞沙和干旱三大因子；
China is rich in extra fine sand, such as river sand in the Changjiang River, Yellow River and Zhujiang River, blow sand in the area of northeast China and Xinjiang.
我国有着丰富的特细砂资源，如长江、黄河、珠江等流域的河砂，西北和新疆等地的风积砂几乎遍布全国各地。

In recommending against PSA tests for early signs of prostate cancer, the United States Preventive Services Task Force has struck another blow for a head-in-the-sand approach to early detection of fatal illnesses.
FORBES: Head-In-The-Sand Medicine: To Test Or Not To Test