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- A human body needs a continuous supply of air. 人需要连续不断地补充空气。
- Heating is concerned with the supply of fresh air and removal of air that is vitiated, polluted, or contaminated. 供暖系统参与了新鲜空气的供给和污浊空气的排除。
- A rocket is independent of air because it contains an explosive mixture which consists both of a fuel to beburned and a supply of oxygen. 火箭飞行依赖空气,因为它本身装有爆炸混合物,这种混合物是由待燃烧的燃料和氧气组成的。
- Air is also free. A person needs inexhaustible supply of air to keep alive. But is there anyboby who pays for the air that's so indispensable? 空气，是免费的。一个人只要还活着，就需要源源不断的空气。可从古到今，又有谁为这须臾不可缺少的东西付过钱？
- The firm's tender for the supply of timber has been accepted. 那家商号的供应木材投标已被接受。
- Air is also free . A person needs inexhaustible supply of air to keep alive .But is there anybody who pays for the air that's so indispensable? 空气是免费的。一个人只要还活着，就需要源源不断的空气。可从古到今，又有谁为这须臾不可缺少的东西付过钱？
- The lack of air in the room make everyone sniffle. 屋子里空气缺乏，使得每个人都频频吸气。
- Air is also free. A person needs inexhaustible supply of air to keep alive. But is there anybody who pays for the air that's so indispensable? 空气，是免费的。一个人只要还活着，就需要源源不断的空气。可从古到今，又有谁为这须臾不可缺少的东西付过钱？
- Our country has a bountiful supply of food. 我们国家有充足的食物供应。
- The great virtue of air travel is speed. 乘飞机旅行的最大优点是速度快。
- This new style of air conditioner is noiseless. 这种新型空调没有噪音。
- There was a liberal supply of drinks at the party. 那次宴会上有大量饮料供应。
- I'll just trot out for a breath of air. 我要到外面去走走换换空气。
- The camp has a plentiful supply of food. 营地有充足的食品供应。
- I want to buy a set of air conditioning. 我想买一台空调。
- If only one had an unlimited supply of money! 要是财源不断就好了！
- The doctor urged a change of air. 医生力劝换个环境。
- Squirrels secrete a supply of nuts for winter. 松鼠为准备过冬而藏坚果。
- We have laid in a supply of canned meat. 我们已经贮存了一批罐头肉。
- He had exhausted his supply of water. 他已耗尽了全部供水。
