abundant, plentiful这两个形容词都有“充足的”之意。
abundant a. (数量)充足的，常用于人、物产、资源、雨量等，含有“过多”之意。
Our country is abundant in minerals.
我国矿产非常丰富。
Our country has a vast territory and abundant resources.
我国土地辽阔， 资源丰富。
In particular, it should not export capital to capital-abundant countries like the US.
特别是，它不应该把资本输出到像美国那样资本充裕的国家。
Oil is in abundant supply in this country.
这个国家石油供应十分充裕。
plentiful a.丰富的，充足的，常用于食物、收获、财产等，不能用于时间、空间、思想等方面。
Eggs are plentiful at this moment.
现在鸡蛋很多。
The pigs battened on the plentiful fodder.
那些猪饲料充足，吃得膘肥体壮。
This is because, even were it not cheap and plentiful, gas would be attractive simply on the grounds of cleanliness.
这是因为即使天然气还不够廉价和丰富，它也会仅由于“清洁”的特点而具备强大吸引力。
If a fisherman sold the squid processors a proportion of his expected catch a year ahead and squid turned out to be plentiful, he would do well.
如果一个渔民出售了鱿鱼加工机，他下一年的预期捕获物比例和捕获鱿鱼将是丰富的，他将做的很好。
