如何使用 "laborious" 造句

1. But conventional cross-breeding is costly and laborious for grapes .
但是传统的葡萄杂交非常费时费力且价格昂贵。
2. Registration is laborious and time-consuming , and would discourage the use of over-the-counter derivatives .
登记是一项费时费力的工作,将会打击人们使用场外衍生品交易的积极性。
3. It takes 56 laborious steps to set up a business .
要开业做生意需要通过56步吃力的手续。
4. Hours after they finished the test on monday , both students had collected the answers from the district education bureau and begun the laborious process , with the help of their teachers , of estimating their scores .
周一高考结束才几个小时,他们两个就在当地教育局拿到了试题答案,在老师的帮助下开始了艰苦的估分过程。
5. That is a bit too laborious .
这有点过于费力了。