单词drop-in
n.: 偶然来访的客人；偶然到访的地方；〈美俚〉吸毒者的巢穴
adj.: 可随时造访的；无须预约的
网络: 插入式；混入信息；普适性
可随时造访的；无须预约的:
able to be visited without arranging a fixed time first
导向的
插入式的
磁带杂音信息
〔计〕混入〔信息〕,冒“1”
偶然来访的客人;偶然到访的地方;〔美俚〕吸毒者的巢穴
复数：drop-ins
But he said it is too early to say whether the drop in global consumer demand has reached bottom.
但他说，现在谈论全球消费者需求滑坡是否已经触底还为时过早。
In his design, moisture-laden air enters the system and is cooled by a drop in pressure behind the wind turbine blades, says Whisson.
在他的设计，水分-拉登的空气进入系统，并正在冷却下降，在压力背后的风力涡轮机叶片，说whisson。
On September 29 heavy rains and a change in the wind direction brought a sharp drop in the Air Pollution Index in Borneo and Malaysia.
9月29日，大雨和改变风向带来大幅下降，空气污染指数在婆罗洲和马来西亚。
It was great here my family and I played on our Wii until midnight and then we watched the ball drop in New York City on our T. V.
在这里我和我的家人能想玩就玩一直玩到半夜，然后一起在电视机前看纽约市的球赛——这太棒了！
It"s just a drop in the bucket. That car has more scratches on it than I can count.
这不过是沧海一粟，这辆车上的划痕我都数不过来了。
an increase in the rate caused an inflow of funds from abroad and a drop in the rate caused a flow of funds out of the country.
贴现率的上涨引起国外资金的流入，反之则会引起资金的外流。
Retirement usually brings with it a massive drop in income.
收入通常随着退休而大大减少。
I did a lot of work today, but I have so much to do it was just a drop in the bucket.
我今天做了很多事情，但是我有太多事情要做了，这些只是九牛一毛而已。
Woman: Hello, James, do sit down. Right, as you know, our Nottingham centre has had a significant drop in income over the last few months.
女：你好，詹姆斯，请坐。就你所知，在过去的几个月，我们诺丁汉中心的收入有一个明显的下降。
Drop in to see me the next time you are in London.
你下次来伦敦顺便到我这来坐坐。