1
absence from缺席
in one’s absence/in the absence of sb.在某人不在的时候
absence of mind心不在焉
absent adj.缺席的;不在意的
be absent from缺席……
be present at出席……
absently adv.心不在焉地
He never questions his father’s absence.
他从未问过为什么他的父亲不在。
Those heat can warm things up pretty quickly in the absence of a cooling system.
在缺少冷却系统的情况下,那些热量能够使物体迅速升温。
[夯实基础]
语法填空
(1)Tom was absent from school because he was ill.
(2)In the manager’s absence,Mr.White is in charge of the business.
(3)His attention absorbed(absorb) by the screen,he just nodded absently(absent).
(4)There’s an absent(absence) expression on his face.
2
ensure one’s safety/success保证某人的安全/成功
ensure sb.sth.保证/确保某人得到某物
ensure sb.from/against danger保护某人免受危险
Premier said that we must ensure the safety of food the other day.
几天前总理说,我们必须确保食品安全。
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