您要查找的是不是：
- Their work is to harden steel. 他们的工作就是使钢淬火。
- Their work is to harden steel . 他们的工作就是使钢淬火。
- Their work is to clean the playground. 他们的工作是清扫操场。
- Their work is to collect information . 他们的工作就是收集信息。
- Their work is to maintain railway lines. 他们的工作是养护铁路。
- Their work is to collect information. 他们的工作就是收集信息。
- Their work is to buil another bridge on that river. 他们的工作是在那河上再架一座桥。
- Their work is not up to standard. 他们的工作成绩不够标准。
- Their work is not up to standard . 他们的工作成绩不够标准.
- Their daily work is to reduce the rocks to dust. 他们每天的工作就是将岩石捣碎成粉末。
- Their work is to prevent more people splitting off form the official union organization. 他们的工作就是阻止更多的人脱离正式工会组织。
- Their daily work is to refine crude oil. 他们每天的工作是精炼原油。
- Their work is often undervalued and underpaid. 她们的工作通常不被重视,薪酬较低。
- To choose such a line of work is to invite ridicule. 选择从事这个行业会惹人嘲笑。
- Their work is often a formality. 他们的工作通常流于形式。
- One of fishermen's work is to mend their nets. 修补渔网是渔夫的工作之一。
- Their work is carried out behind a veil of secrecy. 他们的工作是在秘密掩护下进行的。
- Their work is building another bridge oe the river. 他们的工作是在那河上再架一座桥。
- Their work is bridging over that river. 他们的工作是在那河上再架一座桥。
- Their work is do scientific re search. 他们的工作是做科学研究。
