However, to become certified, you'll work in a classroom for about thirty hours to learn the science and safe methods of diving. Then, you'll learn to use scuba equipment in a swimming pool. Finally, you'll take (29)___ open water dive.Once you are a certified diver, almost three-...
它还可以表示“使(文件等)更详尽完备”,比如说“fill out a report”(完善报告)。 fill up 这个短语也很常见,表示“装满”、“填掉(池塘等)”。比如说“fill up a glass”(倒满一杯水),或者“fill up a swimming pool”(把游泳池填满)。它还可以用来表示“在汽车油箱内装满油”,比如说“fill up the ...
结果1 题目 Fill in the blanks with the given words in their proper form.(用括号内所给单词的适当形式填空,每空限填一词)It is(safe) to swim in a swimming pool than in a river. 相关知识点: 试题来源: 解析 safety 反馈 收藏 ...
Finding how many ping pong balls will fill a swimming pool involves a few simple math challenges. Find the Volume of a Pool The first is finding the volume of the pool. To find the volume of the pool, simply multiply the length by the width by the height in inches to find the volume...
Geomembrane is a very low permeability synthetic membrane liner or barrier used with any geotechnical engineering related material so as to control fluid (or gas migration in a human-made project structure, or system. Geomembrane is made of : premium HDPE (High Density Polyethelene) premium LLDPE...
“swimming pool” 是固定搭配,表示 “游泳池”,所以填 “swimming”。这里需要一个形容词作表语,“care” 的形容词形式是 “careful”,表示 “小心的”,所以填 “careful”。综上,正确答案依次为:1. heavily;2. sunny;3. matches;4. swimming;5. careful。
a第三次 Third time[translate] adeveloped for active lifestyles,dep sport delivers the absolute maximum in hold,performance and control 为活跃生活方式开发, dep体育在举行、表现和控制提供绝对最大值[translate] a在游泳池里游泳 Swims in the swimming pool[translate] ...
Therefore the three pipes will fill the entire pool in 4 hours. 三条水管用来给游泳池装满水,只用第一条水管需要8个小时;只用第二条水管需要12个小时;只用第三条水管需要24个小时.若三条水管同时打开,需要多长时间给游泳池装满水? 一个小时后,第一条水管将装游泳池的18;第二条水管将装游泳池的112;第二...
Adjustable Automatic Swimming Pool Water level controller/ fill valve The Fill-O-Matic2000 100% rubber base UV stabilized acrylic bracket Stainless steel hardware Corrosion free nylon fasteners
a在学校的每一天我都可以过得很充实 All may cross very much in school every day I substantially[translate] a她想象力丰富,总是想出些新主意。 Her imagination is rich, always finds out a new idea.[translate] a室内游泳池 Indoor swimming pool[translate] ...