喝红酒

<math display=‘block‘>
<semantics>
<mrow>
<munder>
<mrow>
<mi>lim</mi></mrow>
<mrow>
<mi>x</mi><mo>&#x2192;</mo><mi>&#x221E;</mi></mrow>
</munder>
</mrow>
<annotation encoding=‘MathType-MTEF‘>MathType@MTEF@5@5@+=
feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn
hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr
4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9
vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x
fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaaCbeaeaaci
GGSbGaaiyAaiaac2gaaSqaaiaadIhacqGHsgIRcqGHEisPaeqaaaaa
@3D5A@
</annotation>
</semantics>
</math>

喝红酒

原文：http://www.cnblogs.com/stemon/p/4596700.html