There are doubts about the usefulness of these tests.这些试验是否有用，人们有所保留。I was persuaded of the usefulness of his new device.我相信了他的新装置的实用性.The index adds appreciably to the usefulness of the book.索引明显地增加了这本书的实用价值....

dibromomethylethylketone的音标：dibromomethylethylketone的英式发音音标为：[daɪbrəʊməmeθɪleθɪl'ki:təʊn]dibromomethylethylketone的美式发音音标为：[daɪbroʊməmeθɪleθɪl'kitoʊn]...

n.海洛因...

neighboring的近义词/同义词有：nigh, circumjacent, connecting, abutting, proximate, bordering, proximal, contiguous, adjoining, adjacent, vicinal, next, nearby, surrounding, around, near, close, next, adjacent, near, bordering, su...

Several fishermen sat on wooden barrels, tending their nets.几个渔夫坐在木桶上修补渔网。They fish in all manner of waters with all manner of nets.他们在大江小河里用各种鱼网来捕鱼.Finally the paper illustrates the implementation of hardware to interco...

honesty的音标：honesty的英式发音音标为：['ɒnəsti]honesty的美式发音音标为：['ɑnəsti]...

干石...

mestanolone的音标：mestanolone的英式发音音标为：[mestænəʊ'ləʊn]mestanolone的美式发音音标为：[mestænoʊ'loʊn]...

sooner的音标：sooner的英式发音音标为：['su:nə]sooner的美式发音音标为：['sunə]...

n.蛇麻酮（一种抗菌药）...

The blue whale is the largest living thing on the planet.蓝鲸是地球上体型最大的生物。The planet is probably in orbit around a small star.这颗行星可能正环绕着一颗小恒星运行。The new planet is about ten times the size of the earth.新发现的行星大约是地球的10倍那么大。...

goners的音标：...

adj.训练过的，受训的v.训练，锻炼，培养( train的过去式和过去分词 )，教育，使（植物）朝某方向生长，[园艺学]修剪...

Nonfat dry milk is an inexpensive proteinaceous eluent.脱脂奶粉是廉价的蛋白质洗脱剂.Frangipani Fragrance. Fragrances are an inexpensive way to perfume unscented hair products and Body Oils.赤素馨花香油, 这款是使发部和身体散发香味的不贵的香油.Metered taxis are...

nephew的复数形式为：nephews...

At best Nella would be an invalid; at worst she would die.内拉往好里说会落下残疾，往坏处说可能会生命不保。Nella stood at the end of the gangway.内拉站在舷梯尽头.He looked fixedly at Nella and started back.他目不转睛地看着内拉,接着往后一缩....

White conned his way into a job as a ware-houseman with Dutch airline, KLM.怀特骗到了一份工作，在荷兰皇家航空公司做仓库管理员。He claimed that the businessman had conned him of £10,000.他声称那个商人骗了他1万英镑。He was so plausible that he conned everybody.他...

Bernardine的音标：...

We were eager to hear the announcement of the winner of the race.我们急于想听到宣布赛跑优胜者名单。He was adjudged the winner by 54 votes to 3.他被裁定以54票对3票获胜。A person who cheats is an unworthy winner.以欺诈手段取胜的人不配做胜利者.The 12 - time Grammy w...

nettled的音标：...

barrenness的音标：barrenness的英式发音音标为：['bærənnəs]barrenness的美式发音音标为：['bærənnəs]...

mariner的近义词有：sailor, seaman, mariner。下面这些名词均有"水手，船员"的含义：sailor：普通和词，指任何实际驾驶船只航海或在船上工作的人员。 seaman：指商船船员或海军中的水兵，有时可与sailor换用。mariner：多指直接从事航海和参与驾驶船只的水手。...

citrullinemia的音标：citrullinemia的英式发音音标为：[sɪˌtrʌlɪ'ni:mɪə]citrullinemia的美式发音音标为：[sɪˌtrʌlɪ'nimɪr]...

n.丁卡因，阿美索卡因...

jawlines的音标：...

dishonesty的音标：dishonesty的英式发音音标为：[dɪs'ɒnɪsti:]dishonesty的美式发音音标为：[dɪs'ɑnɪsti]...

[人名] 内夫...

vt.切断，断开，拆开，使（电话线路）中断...

n.女店员...

energize的现在进行时为：energizing...