hydrogen的复数形式怎么写？

n.氢...

Hydrogen is used extensively in industry for the production of ammonia.氢气在工业上广泛用于制氨。He mobilized public opinion all over the world against hydrogen-bomb tests.他动员全世界的舆论反对氢弹试验。Carbon, hydrogen and oxygen combine chemicall...

General targets have hydrogen peroxide, sodium hypochlorite, potassium permanganate, and so on.一般的氧化剂有过氧化氢 、 次氯酸钠 、 高锰酸钾等.Hydrogen is a corlourless, odourless gas.氢气是一种无色 、 无味的气体.Producing the hydrogen fuel uses the harm...

hydrogen的音标：hydrogen的英式发音音标为：['haɪdrədʒən]hydrogen的美式发音音标为：['haɪdrədʒən]...

arealometer的音标：arealometer的英式发音音标为：[ərɪə'lɒmi:tə]arealometer的美式发音音标为：[ərɪr'lɒmitə]...

The sound track did not synchronize with the action.声迹与动作不同步。The film does not synchronize with sound.该影片画面与声音不同步.The sound on a film must synchronize with the action.影片中的声音必须与动作配合一致.Synchronize your watches.把你们的表校到同一时间。...

ill的复数形式为：ills...

interlock的第三人称单数（三单）为：interlocks...

莫里森（姓氏）...

The frames are secured by horizontal rails to the back wall.框架用横杆牢牢固定在后墙上。Brondello secured the MVP award by scoring 357 points.布朗德罗以357分的得分获得最有价值球员奖。The team secured pictures of prisoners showing signs of severe beating...

fluothane的音标：fluothane的英式发音音标为：['flu:əθeɪn]fluothane的美式发音音标为：['fluəθeɪn]...

Dlemocrat的音标：...

isoxathion的音标：isoxathion的英式发音音标为：[aɪˌsɒksə'θaɪən]isoxathion的美式发音音标为：[aɪˌsɒksə'θaɪən]...

爬过，翻过，翻越，攀越...

curiosity的近义词/同义词有：idiosyncrasy, eccentricity, aberrance, aberrancy, idiocrasy, peculiarity, querying, inquisitiveness, questioning, acquisitiveness, concern, interest, intermeddling, nosiness, meddling, intruding, peepi...

The gigantic natural harbour of Poole is a haven for boats.巨型天然港普尔港是船只的避风港。He has a gigantic appetite and eats gigantic meals.他有很大的食量,能吃很多的食物.The earth may be thought of as a gigantic magnet.整个地球可以想像为一块硕大无朋的磁石....

按照事先排定的行程, 今天我们参观了故宫.According to the schedule, we will visit the Imperial Palace today....

casebook的音标：casebook的英式发音音标为：['keɪsbʊk]casebook的美式发音音标为：['kesˌbʊk]...

虹膜中层...