Word expert Charles Funk thinks the expression comes from sailors on ships. They clean the bottom of a boat.
词汇专家CharlesFunk认为，这个短语来自轮船上的水手，他们会清洗船底。
In order to clean the bottom floor of engine room, the hot and cold fresh water pipes and cocks to be installed from engine control room to bottom floor.
为清洁机舱底部，从机控室到底部地板应装热水和冷水管和旋塞。
Let any particles in the water settle to the bottom of the pot, or filter them through a paper towel or clean cloth.
让水里的颗粒沉淀至锅底，或者用纸巾或干净的布过滤。
Altogether, this dwelling, which was attended to by the two women, was exquisitely clean from top to bottom.
总之，这住宅，经那两位妇女的照料，从上到下，都变得异常清洁。
Availability of craw-fish shows that water in the river is clean. They live right behind the ice, on the bottom.
捕来的鱼被放进袋子里面，人们既不会马上拿到市场上面出售，也不会把它们放进水里养段时间，河里面有河虾之类的水养物，这就充分说明这条河水质很好，河虾栖息在河底的 冰块后。
Structurally, the website shows a clean hierarchical importance from top to bottom and left to right.
从结构上看，整个站点显示了一种干净的结构，从上到下，从左到右。
I consider having guests as the number one motivator to do a top-to-bottom house clean, organizing and project-completer. You want you space to look its best, no?
我常常把要招待客人看做彻底打扫房间，整理和完成一些装饰的的最大动力，你肯定想让你的房子看起来一直都很棒，对吗？
Before treating, let any suspended particles settle to the bottom, or strain them through layers of paper towel, clean cloth, or coffee filter.
在处理前，让任何悬浮物沉淀到底，或用多层纸巾、干净衣服或咖啡滤器把它们过滤掉。
Created from waterproof fabrics the pillow bottom keeps dry and clean.
枕头底部则由防水纤维制造，可以保持干净整洁。
The lake water is so clean that we can clap eyes on the bottom， with a little cold， after all that recourse from the thawed snow of mountains.
岸边湖水清澈见底，还有几分凉意，毕竟来自高山融雪。
The lake water is so clean that we can clap eyes on the bottom, with a little cold, after all that recourse from the thawed snow of mountains.
岸边湖水清澈见底，还有几分凉意，毕竟来自高山融雪。
First, farmers selected the oyster bed, cleared the bottom of old shells and other debris, then scattered clean shells about.
首先，农夫选好牡蛎苗床，清除底部的旧壳和其它杂物，然后四处撒播干净的壳。
Use a damp cloth to wipe the walls in an annular route accordingly from top to bottom and from left to right, pay attention to clean higher and top parts of wall.
使用一块湿布按照从上到下、从左到右的环形路线顺序擦拭墙壁，注意清洁墙面的较高和较低处。
Biofuels from corn and plant waste came right at the bottom of the list, along with nuclear power and "clean" coal.
而来自于玉米和植物废料的生物燃料则排名垫底，另外表现最差的还有核能和“清洁”煤。
Clean air from the top of the dry, and online at the bottom of the flow of compressed air flow to the contrary, to ensure the spray drying tower at the exit of desiccant is always the most dry.
洁净的空气从干燥塔顶部流向底部，与在线压缩空气的流向正相反，从而保证干燥塔出口处的干燥剂总是最干的。
In the shallows, the dark, water-soaked sticks and twigs, smooth and old, were undulating in clusters on the bottom against the clean ribbed sand, and the track of the mussel was plain.
湖湾处，黝黑滑溜、浸透了水的一簇簇老旧枝丫抚弄着洁净沙滩上的丝丝纹路，贻贝留下的痕迹清清楚楚。
In case the mold cannot be installed from the machine top because of the height limit of the clean room, a higher mold can be assembled and disassembled by the bottom upward way easily.
当由于洁净室高度的限制，使得模具无法从上方安装时，从下往上的安装方式可以实现更高的模具的拆装，不影响生产。
The bottom line for San Jose: it's a city now known nationwide for its clean streets, fresh air, and healthy lifestyle.
底线圣何塞：这是一个全国性的城市目前已知的干净的街道，空气清新，健康的生活方式。
She just using the reception guests use the paper cups in the home, after a clean cut into small rounds and some paper cup bottom, then in the above picture own dream one by one, a red line through.
她只是用家里接待客人用下的纸杯，清洗干净后剪成一个个小圆片和几个纸杯底，然后在上面画上自己的一个个梦想，再用红线穿起来。
I faired in the excess on the bottom side to clean up the look and give any air bubbles when submerged a nice easy ride.
在过量对底部的一面，清理外观和给予任何气泡时，淹没好轻松的旅程。
The bottom line is that in today's well-traveled world, anywhere you travel to you're likely to find an affordable hostel and they're usually clean and well kept.
当下，享受旅行能接受的底线就是：在旅行的地方能找到住宿价格可以接受的旅店，旅店最好要干净整洁。
In the shallows, the dark, water-soaked sticks and twigs, smooth and old, were undulating in clusters on the bottom against the clean ribbed sand, and the track of the mussel was plain.
湖浅处，浸于水中的暗色枝枝杈杈样子光滑，而且有了些年头，一丛丛地顶着呈纹路状的净沙在水中起伏，蛤贝爬过的路痕也历历在目。
Open the closed window in your heart. Let the sunshine drives away the mouldy air of it. Let the clean air to enter your heart. Let me be the hearer of the deeply call at the bottom in your heart.
打开你那扇紧闭的窗扉，让阳光赶走那已发霉的空气，让清新的气息渗入，让我来倾听你内心深处的呼唤！
The utility model can boil good quantity liquid medicine. Because of the separation of the body and bottom, which is convenient to pour and clean, and can also avoid creep-aging and raise safety.
由于壶体与底座可以分离，方便倒出药液及清洗，还可避免因药液或水进 入底座而造成漏电事故，提高安全性。
The utility model can boil good quantity liquid medicine. Because of the separation of the body and bottom, which is convenient to pour and clean, and can also avoid creep-aging and raise safety.
由于壶体与底座可以分离，方便倒出药液及清洗，还可避免因药液或水进 入底座而造成漏电事故，提高安全性。
应用推荐