obstruct from
英 [əbˈstrʌkt frɔm] 美 [əbˈstrʌkt frʌm]

v.

阻挡；

权威例句

Current Projects
Fluid treatment system
The Reaction of the Liver to Small Doses of Vitamin K as a Liver Function Test
[Prostate brachytherapy: indications and outcomes].
Relief of pressure damping during coronary angioplasty: a device for creating side holes in PTCA guiding catheters
Fluid control system
Copulation patterns in the golden orb-web spider Nephila madagascariensis
Syria and US Move Closer in Wake of Mideast Accord
The use of the 12 minute walking test in assessing the effect of oral steroid therapy in patients with chronic airways obstruction.
Intratesticular Doppler flow, seminal plasma nitrites/nitrates, and nonobstructive sperm extraction from patients with obstructive a...