-
But only two or three companies are trying to develop the technology.
但只有两三个公司正在努力开发这一技术。
youdao
-
It took one month less than three years for them to develop the new material.
他们花了三年差一个月的时间才研制出了这种新材料。
youdao
-
It took one month less than three years for them to develop the new material.
他们花了三年差一个月的时间才研制出了这种新材料。
youdao