CNN news 2010-11-12 加文本

1.Officials don't want the president's plane, Air Force One, to get stuck on the ground, so they're cutting this visit by a few hours.

get stuck卡住

例句：The zip on my anorak has got stuck.
      我的皮猴上的拉链卡住了。

on the ground在地上,当场

例句：The ruling was made on the ground of his Bad attitude.
      判决是以他的恶劣态度为由而作的。

2.In a joint press conference with Indonesian President Yudhoyono, Mr. Obama touched on security concerns, trade, democracy and education.

touch on与…有关, 涉及

例句：In his lecture on geology, he touched on the subject of climate.
      他在关于地质学的报告中, 也涉及气候问题。

3.But it was his personal reflections on standing in the back of a little crowded taxi, or about his half-Indonesian sister, that seemed likely to resonate with a country that's been waiting for his arrival since last year.

it强调句型

It+be+被强调部分+that(强调部分指人做主语时时用who，指人做宾语时用whom)+句子的其他部分。
　　例如：
　　Mary met an old beggar in the street yesterday.
　　It was Mary who/that met an old beggar in the street yesterday.
　　(强调主语)
　　It was an old beggar whom/that Mary met in the street yesterday.(强调宾语)
　　It was yesterday that Mary met an old beggar in the street.(强调时间状语)
　　It was in the street that Mary met an old beggar yesterday.(强调地点状语)
　　注意：it强调句型不能强调句子的谓语。