check specimen造句

例句与造句

1. A post-war World sulphur shortage was damaging post-war British industry, so he and Butlin were sent to Cyrenaica to sample a sulphur spring and check specimens for even better performance.
2. Once we get past this crisis, we are going to have to go back and check specimens from CDC and state health departments to see if it has been here, and if so, for how long.
3. It's difficult to find check specimen in a sentence. 用check specimen造句挺难的