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1、concentrate
全神贯注;集中（心思）
It was up to him to concentrate on his studies and make something of himself.
是否能专心学习并取得一定成就要靠他自己。
Water companies should concentrate on reducing waste instead of building new reservoirs.
自来水公司应该集中精力减少水浪费，而不是修建新水库。
使集中;使汇集
Italy's industrial districts are concentrated in its north-central and north-eastern regions.
意大利的工业区集中在该国中北部和东北部地区。
Most development has been concentrated in and around cities.
土地开发主要集中在城市及周边地区。
使清楚地思考
A term in prison will concentrate his mind wonderfully.
一想到要被判刑，他的头脑就会变得非常清醒。
2、consume
吃;喝;饮用
Many people experienced a drop in their cholesterol levels when they consumed oat bran.
很多人食用燕麦麸后胆固醇水平下降了。
serving chocolate ice-creams for the children to consume in the kitchen.
端上巧克力冰激凌让孩子们在厨房里吃
消耗，耗费(燃料、能源或时间)
Some of the most efficient refrigerators consume 70 percent less electricity than traditional models.
一些极为节能的冰箱比传统型号耗电减少70%。
plans which will consume hours of time and deplete your cash reserves.
要花费若干小时并消耗你留存备用的钱的计划
(使)沉溺，(使)沉迷，(使)充满(感情或思想)
The memories consumed him.
他沉浸在回忆中。
3、irregular
不定时的;不定期的
Cars passed at irregular intervals.
断断续续地有汽车驶过。
She was taken to hospital suffering from an irregular heartbeat.
她因心律不齐被送往医院。
不规则的;不平整的;不直的
The paint was drying in irregular patches...
油漆一片片地慢慢变干了。
He had bad teeth, irregular and discolored.
他牙齿长得不好，参差不齐而且有些发黄。
(行为)欺骗性的，不正当的,不合常规的
the minister accused of irregular business practices.
被控有违规商业行为的部长
'Will you do this for me, Leo? It's the only way.' — 'It's highly irregular, Ralph.'
“利奥,你能为我做这件事吗？这是唯一的办法了。”——“拉尔夫,这么做是很不正当的。”
4、overdose
（药物等的）过量；致死（或中毒）剂量
Each year, one in 100 girls aged 15-19 takes an overdose.
每年，每100名15至19岁的少女中就有1位嗑药过量。
In 1970, guitarist Jimi Hendrix died of a drug overdose.
1970年，吉他手吉米·亨德里克斯因服药过量而死亡。
过量服用（药物）；过量吸食（毒品）
He'd overdosed on heroin...
他曾过量吸食海洛因。
Medical opinion varies on how many tablets it takes to overdose.
医生对于服用多少药片算作过量意见不一。
