The phrase "a obvious" is not correct in written English.
The correct form is "an obvious" because "obvious" begins with a vowel sound.
Example: "It is an obvious choice for the best candidate."
Alternatives: "a clear" or "a evident".
Everybody did so with a obvious will to look forwards.
He withdrew the comment, but the view here was that he was caught uttering a obvious truth in public.
She laughed at such a obvious question, and replied: "Definitely, yes!" 11.18am BST Women's 200m t11 Over to the Olympic Stadium where Tracey Hinton, with her union flag emblazoned sunglasses, started well but slowed down in the final straight and could only come third in her heat.
a Obvious segmental stenosis was found at the infrarenal abdominal artery.
It can be concluded that ASP intake and Tai Chi exercise decrease oxidant stress induced injury and improve immunity activities in middle-aged women subjects, indicating a obvious healthy promotion effect.
As can be seen from Figure 2 (a), obvious characteristic peaks at around 2,962, 2,923, 2,853, 1,463, and 1,455 cm-1 corresponding to -CH3 and -CH2 stretching vibrations are detected.
