After being devastated by the 2004 tsunami, the Phi Phi archipelago off the coast of Thailand has been restored to its pristine, idyllic state.

在经历过2004年那场海啸的破坏之后，目前位于泰国海岸之外的皮皮岛已经恢复了当初原始古朴田园牧歌式的纯净状态。

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Each intimate room offers the breathtaking panoramic view of the Phi Phi Island and Andaman Sea.

每个温馨的房间都可观赏到壮观的皮皮岛和安达曼海的全景。

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This is because most fraternities and sororities are named after a series of Greek letters, such as Alpha Delta Pi or Sigma Phi.

VOA: special.2009.09.25

How far you are away from the nucleus in terms of a radius, they don't depend at all on those two angles, theta they're independent of theta phi and they're independent of phi.

只和离核子的距离，也就是半径有关，它们和,另外两个角度无关，它们不决定于,也不决定于。

麻省理工公开课 - 化学原理课程节选

And the nodal plane's going to be in the x z plane, or again, anywhere where phi is going to be equal to 0, that takes us to the x z plane.

节面是ｘｚ平面，又或者说是phi等于０的地方，这就是ｘｚ面。

麻省理工公开课 - 化学原理课程节选

My colleague and friend just SMS'd me from Ko Phi Phi Bay View Hotel.

CNN: Tsunami tragedy: Your e-mails

They hired jet skis and rode glass-bottom boats to see bird-nesting sites at Phi Phi Leh.

CNN: POSTCARDS FROM THE BEACH

"The park administrators have allowed development on Phi Phi Don to continue unchecked, " he writes.

CNN: POSTCARDS FROM THE BEACH