aerospaceplane的音标：aerospaceplane的英式发音音标为：[eərəʊspeɪ'sɪpleɪn]aerospaceplane的美式发音音标为：[eəroʊspeɪ'sɪpleɪn]...

Papain - catalyzed synthesis of aspartame precursor Z - APM in biphasic solvent system wasinvestigated.本文报道在两相溶剂体系中利用木瓜蛋白酶催化合成Aspartame前体Z - APM的研究.And now I think of it, aspartame is the tip of a considerable iceberg.并且...

本征空间，特征空间...

抹墙粉于…...

Caspar的音标：...

v.退格( backspace的过去式和过去分词 )...

despair的现在完成时为：despaired...

span的音标：span的英式发音音标为：[spæn]span的美式发音音标为：[spæn]...

spar的一般过去时为：sparred...

airspace的音标：airspace的英式发音音标为：['eəspeɪs]airspace的美式发音音标为：['erspeɪs]...

All spacemen must be able to bear acceleration.所有太空人都应能承受加速度.She said with a straight face she saw green spacemen in the back yard.她面无表情地说她在后院看到绿色外星人.There are five spacemen in the spaceship.宇宙飞船里有五个飞行员....

In 1957, the Soviets launched Sputnik 1 into outer space.1957年，苏联人将“斯普特尼克1号”人造卫星送入了外层空间。They have been visited by creatures from outer space.有外星人拜访了他们。radio waves from outer space来自外层空间的无线电波...

spank的一般过去时为：spanked...

Caspar was weeding the garden.卡斯珀正在给花园除杂草。Caspar lingered near the chimneypiece.卡斯帕在壁炉架附近徘徊.Caspar Henderson is an award - winning writer and journalist on environmental affairs.卡斯帕?亨德森是一位荣获环境新闻奖的作家和记者....

n.圆材，晶石，[航]翼梁，拳斗，斗鸡vi.（拳击练习中）不用力打，试击，争论，争吵，（鸡）用脚踢斗...

spares的音标：spares的英式发音音标为：[spers]spares的美式发音音标为：[spers]...

We spanked along in his new car.我们坐在他的新车里兜风.The nurse spanked the naughty child.保育员打了一下那个淘气的孩子的屁股.Mother spanked her for being naughty.妈妈因为她调皮打她屁股....

n.[航天]宇宙飞船，航天器...

spark的一般过去时为：sparked...

newspaper stand的音标：newspaper stand的英式发音音标为：['nju:sˌpeipə stænd]newspaper stand的美式发音音标为：['nuzˌpepɚ stænd]...

亮方解石...

hysterospasm的音标：hysterospasm的英式发音音标为：[hɪstərəʊs'pæzəm]hysterospasm的美式发音音标为：[hɪstəroʊs'pæzəm]...

spangle的一般过去时为：spangled...

transparency的复数形式为：transparencies...

vasospasm的音标：vasospasm的英式发音音标为：['væsəʊspæzm'veɪz]vasospasm的美式发音音标为：['veɪzoʊˌspæzəm]...

Menelaus forgave her and brought her back to Sparta.曼纽拉斯原谅了她并把她带回斯巴达.Be afraid! Sparta will burn to the ground!“颤抖吧! 斯巴达将被烧做白地! ”波斯信使如是说.You speak as if all Sparta conspires against you.你说得好像整个斯巴达在共谋对抗你.Athens and Sparta...

The girls happily played in the sand with buckets and spades.女孩子们拿着桶和铲子在沙滩上快活地玩耍。They were playing on the beach with their buckets and spades .他们带着桶和铲子在沙滩上玩。He bid three spades.他叫三个黑桃....

Hard luck, chaps, but don't despair too much.真不走运，伙计们，不过别太灰心。He is plunging into an abyss of despair.他陷入了绝望的深渊.The letter breathes despair.这封信表现出绝望的情绪.If you couldn't attend either of the concerts and are curre...

咽峡痉挛...

The two MPs were sparring with each other.这两名议员在互相对骂.With a flourish of their spears , the two men started sparring with each other.两人拿长枪一比试,便打了起来.They've been sparring - partners ever since they were at school toge...