pin down造句31. The Boy had to pin down the dog to wash him.
32. To pin down the size of an orbital, we take a contour surface.
33. John Perry Barlow's exact mission in life is hard to pin down.
34. Taiwan question obviously was a key to pin down mainland.
35. It is never possible nowadays to pin down any date within a year or two.
36. But just how, at a deep, cellular level, exercise affects anxiety and other moods has been difficult to pin down. The brain is physically inaccessible and dauntingly complex.
37. The identity of each sex is not so easy to pin down.
38. The researchers were able to pin down the radiation's origination point by combining measurements of the gamma-rays with radio-wave observations.
39. Mill Creek in Meizhou elephant ears pin down the mountain.
40. Damn! That was terrible. I only knocked the 10 pin down.
41. Learn a bit of wine speak — "ripe black plums with an accent of earthy leather" — and you are suddenly equipped with anchors to pin down your fleeting gustatory impressions.
42. Dr. J. : Astronomers have used Hubble to observe cepheids and to pin down their distances much more accurately.
43. In the Han Dynasty(206BC---220AD), "Lari" fell on the day three weeks after Winter Solstice, which was actually hard to pin down or remember.
44. Wheatley and Looser set out to pin down the point at which a face starts to look alive. Looser visited toy shops and took pictures of dolls' faces.
45. It is difficult to pin down the exact meaning of this verb.
46. Despite rampant speculation — that Hoover was gay, a cross-dresser or had no sex life — the truth about his sex life is nearly impossible to pin down./pin down.html
47. Why don't you go work with Chloe and pin down a location on Hector Salazar?
48. Wheatley and Looser set out to pin down the point at which a face starts to look alive.
49. He was sure he would pin down the enemy between two firing lines.
50. The task of their regiment was to pin down one of the flanks of the invading army.
51. Within the smaller area more intensive observations are made to pin down prequake signals.
52. They plan further work in the area to try to pin down the factors responsible.