available pressure可用压力
available carbohydrate可利用的碳水化合物
available potassium有效钾;速效钾
available thrust有效推力
available n速效n;有效氮;速效氮
available silica有效硅的
available time可利用时间;有效时间;[计] 可用时间
available button可用按钮;可用的按钮
Available inventory可用库存;可用存货
ADJ（形容词） If something you want or need is available, you can find it or obtain it. 可获得的
Since 1978, the amount of money available to buy books has fallen by 17%.
自1978年以来，可供买书的钱已减少了17%。
N-UNCOUNT（不可数名词） availability 可获得性
...the easy availability of guns.
…获取枪支的容易性。
ADJ（形容词） Someone who is available is not busy and is therefore free to talk to you or to do a particular task. 有空的 [v-link ADJ]
Mr. Leach is on holiday and was not available for comment.
利奇先生在休假，没空作评论。