背1遍就想上考場(chǎng)四級(jí)單詞66

[00:01]author [00:03]The author's attitude towards the speaker's remarks is critical. [00:10]oxygen [00:13]Passengers with heart disease may experience chest pains [00:18]as result of the reduced amount of oxygen flowing through their blood. [00:28]concrete [00:31]The existing 643 miles of concrete-and-steel border fence [00:40]would be maintained but no new barriers would be built. [00:47]reproduce [00:50]The organization says that animals must have food, [00:56]water, shelter, health care and the ability to reproduce. [01:07]introduce [01:10]To speed up the delivery of letters, [01:13]the Post Office introduced automatic sorting.

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