sown acreage的用法和樣例：
例句
- We need to protect arable land, especially basic farmland, stabilize the acreage sown to grain,expand overall grain production capacity.
要切實保護耕地特別是基本農田，穩定糧食播種面積，提高糧食綜合生產能力。 - 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.
落實最嚴格的耕地保護和最嚴格的節約用地制度，確保糧食播種面積不少于上年。
