sown acreage的用法和样例：
例句
- We need to protect arable land, especially basic farmland, stabilize the acreage sown to grain,expand overall grain production capacity.
要切实保护耕地特别是基本农田，稳定粮食播种面积，提高粮食综合生产能力。 - We will adhere to the strictest possible systems for protecting farmland and for using land economically and make sure that the total grain acreage is no less than last year.
落实最严格的耕地保护和最严格的节约用地制度，确保粮食播种面积不少于上年。
