His landing was awkward,but it was only the second time he’d flown solo.

着陆技术很
熟练,但这只是
第二次单飞。
His landing was awkward,but it was only the second time he’d flown solo.

着陆技术很
熟练,但这只是
第二次单飞。
The skilful operation of a computer is hard to learn.
学会熟练地操作电脑是
易习得
。
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