本期內容：

Iceland unveiled a plaque to commemorate Okjokull, the first of the country's hundreds of glaciers to melt away due to climate change. What once was glacier has been reduced to a small patch of ice atop a volcano. Scientists see the shrinking of glaciers as one of many warning signs that the earth's climate is lurching toward dangerous tipping points.

unveil vt. 為……揭牌；推出，發布
· The news that Huawei unveiled its harmonyOS system inspired all of us.
華為發布鴻蒙操作系統的新聞鼓舞了我們所有人。
plaque n. 牌匾，匾額
· unveiled a plaque: 揭牌
· The president unveiled a plaque to mark the opening of this hospital.
總統為這家醫院揭牌標志著它的正式啟用。
commemorate vt. 紀念
· This monument was built to commemorate the heroes who died in the war.
這個紀念碑是為了紀念那些在戰爭中犧牲的英雄而建的。
glacier n. 冰川
melt away: 融化并消失掉；人群漸漸散去
· Crowds of fans began to melt away after the concert.
演唱會結束之后，成群的歌迷漸漸散去。
be reduced to: 被淪為……
· He was reduced to extreme poverty.
他淪為赤貧的狀態。
· what once was… has been reduced to…: 一時風光的……被淪為……
patch n. 補丁；一小塊兒
atop a volcano: 一座火山的頂端
· atop: 在……頂端，在……頂上（on top of）
· atop a mountain/tree: 在山頂/樹頂
lurch toward: 向某個不好的方向突然傾斜
tipping point: 臨界點，臨爆點
· The puic mood has reached to a tipping point.
公眾的情緒到了一觸即發的境地。

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