阻碍英语怎么说
These areas have particularly low concentrations of iron, and oceanographers hypothesize that this shortage of iron prevents plankton from thriving.
The condition prevents the blood from circulating freely.
One theory is that suppressing stomach acid might interfere with the absorption of calcium.
In some cases, industrial giants faced with little or no competition seek to avoid the capital loss resulting from obsolescence by deliberately obstructing technological progress.
Politicians are always saying that they want to help us but their hands are tied.
Stagnation in home sales is holding back economic recovery.
The imposition of military rule also robbed local leaders of opportunities to participate in local government, so social development was stunted and the seeds of disaffection sown.
He came to be seen as a drag on his own party's prospects.
Sun's book reveals how China's education system, which centers on exams, is a major disadvantage for the growth of boys.
At the start of the 20th century, under nutrition and childhood infections got in the way.
At the start of the 20th century, under-nutrition and childhood infections got in the way.
The bad weather hampered rescue operations.
The study included 63 men between 30 to 65 years of age who suffered from moderate to severe obstructive sleep apnea.
Second, we must seek a free system, one in which ideas, information, products and capital can flow unimpeded by unnecessary or unjust barriers.
One of my campaign workers wrote me a note showing the depth of our canvassing: Bill: problems in New Men's;
By sucking sap from the young twigs of the hemlock tree, tree growth is retarded by the woolly adelgid, causing needles to change color from deep green to grayish green and to drop prematurely.
Chatty colleagues not only disrupt their own schedules, but also prevent you from completing your task on time.
High interest rates are a brake on the economy.
The ill-timed revelation not only stalled his own bid for freedom, but also stunted his identity.
It is not that certain aptitudes of men, intellectual aptitudes for instance, become stunted or destroyed.
High interest rates have stunted economic growth.
In short, without water, growth is stunted.
What stunted Wikipedia's growth?
The heart condition had stunted his growth a bit.
Asking for unnecessary information annoys people and may discourage them from signing up.