crops of tropical regions的用法和樣例：
例句
- Very different fertilizer treatments are needed for these two tropical tree crops.
這兩種熱帶作物需要完全不同的施肥方法。 - Banna in the tropical crop research institute can buy up the processing of Coffea arabica, is the best gift to friends and relatives.
在版納的熱帶作物研究所可以買到加工好了的小粒咖啡，是饋贈親友的佳品。
