1.whiz n. 精明的人, 专家
例句:
My friend is a whiz at math. He's also a computer whiz.
我的朋友在数学方面很优秀。他还是计算机专家。
2.livestock n.家畜
例句:
An enclosure for livestock.
用于饲养家畜的围栏地
3.miscalculate 错认, 算错, 估错, 判断错误
例句:
The salesman miscalculate the discount, so we hardly break even on the deal.
营销员算错了折扣,因此我们很难在这笔交易上做到不盈不亏。