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 體育活動
例句:"Although physical activity is thought of as an energy-deficit activity," they wrote, "our estimates do not support this hypothesis.
“雖然身體活動被認為是一個能源缺乏的活動的,”他們寫道,“我們的估計不支持這個假設
。”3.tennis player 網球選手
例句:The young tennis player will never be able to fling off the experienced competitors.
這個年輕的網球選手絕對不可能打敗那些經驗豐富的對手
。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,你就更可能出錯了
。