1.on average 平均
例句:It is higher, on average, in some places than in others.
有些地方的平均智力水平比其它地方更高
。2.physical activity 体育活动
例句:"Although physical activity is thought of as an energy-deficit activity," they wrote, "our estimates do not support this hypothesis.
“虽然身体活动被认为是一个能源缺乏的活动的,”他们写道,“我们的估计不支持这个假设
。”3.tennis player 网球选手
例句:The young tennis player will never be able to fling off the experienced competitors.
这个年轻的网球选手绝对不可能打败那些经验丰富的对手
。4.likely to 可能
例句:If you gallop through your work, you are more likely to make mistakes.
如果你匆匆完成你的工作,你就更可能出错了
。