[误] Tea trees grow well in these mountain fields.

[正] Tea grows well in these mountain fields.

注：“茶树”、“果树”等在翻译成英语时常常省略 tree，因为这些词本身就包含“树”的意思。如 orange(橘子树)，banana(香蕉树)等。

参考例句：

1、Orange trees are alien to China 橘子树是从外国传入中国的

2、There are some banana trees on that island over there 那边小岛上有几棵香蕉树