针尖

Rock climbers descend the spire of Tricouni Nail in the Needles of South Dakota Black Hills.

攀岩者南达科他州的像针尖一样陡峭的黑山顶上攀岩而。

Vaporisation from the needle on initial entryof the syringe into the injector, before the syringe plunger is depressed, can result in partial loss of high boiling components.

当注射器针尖插入汽化室后，注射器塞杆之，起高沸点组分的损失。