欢送的人群仍然站在那没有动，火车拐了一道弯，消失在人们的视野之外。
The crowd stood still. The train moved around a curve and could no longer be seen.
一项研究显示，未来数十年间，从热带安地斯山脉到南非，数千种动、植物可能消失无踪，而全球暖化将是造成绝种主因。
Global warming will become a top cause of extinction from the tropical Andes to South Africa with thousands of species of plants and animals likely to be wiped out in coming decades, a study said.
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