牛津译林版选修十unit 1《building the future》word教案2(3)

[C or U] the force that a liquid or gas produces when it presses against an area:

gas/water pressure

The new material allows the company to make gas pipes which withstand higher pressures.

The gas is stored under pressure (= in a container which keeps it at a higher pressure than it would

4. On top of this, according to the United Nations, hunger and malnutrition claim ten million lives every year.(P2)

on top of

adv. in addition to something, especially something unpleasant: 另外

without doubt

adv. used to emphasize your opinion: 毫无疑问地

6. They need help, but the sad truth is that food aid alone is not enough to help these

countries .(P2) 它们需要帮助，但不幸的事实是仅有食物援助对帮助这些国家是不够的。 alone

adjective [after noun] only or without any others: 仅有,仅凭

She alone must decide what to do (= no one else can do it for her).

These facts alone (= even if nothing else is considered) show that he's not to be trusted. He won't get the job through charm alone (= he will need something else).

The airfare alone would use up all my money, never mind the hotel bills.

Price alone is not a reliable indicator of quality. He alone knows the secret.

只有他一人知道秘密。

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