牛津小学英语上海六年级下2

[05:33.31]长时间不飞：只是适合12秒。
[05:37.63]However,it was the first aeroplane to fly.
[05:41.55]不过，飞是第一个飞机。
[05:45.47]Tommy Target
[05:46.89]汤米  目标
[05:48.32]quickly/slowly
[05:50.39]很快的/慢慢地
[05:52.47]gently/heavily
[05:54.81]轻轻地/沉重地
[05:57.15]What's the matter?
[05:58.77]怎么了？
[06:00.39]The air is quite dirty.
[06:02.51]空气十分脏。
[06:04.64]The air is very clean.
[06:06.82]空气非常干净。
[06:09.01]Where does air pollution come from?
[06:11.44]空气污染来自哪儿？