Alas, it's not that simple.哎呀，事情不是那么简单的。Alas and alack , we had missed our bus.唉，完了，我们没赶上公共汽车。Alas, my love, I must leave now.哎呀,天哪, 我得走了....

n.澳大拉西亚（一个不明确的地理名词，一般指澳大利亚，新西兰及附近南太平洋诸岛，有时也泛指大洋洲和太平洋岛屿）...

However exploration of Australasia introduced Europeans to black swans.然而,澳大拉西亚的探险给欧洲人带来了黑天鹅.South , America and Australasia.南美和大洋洲进发了....

acatalasemia的音标：acatalasemia的英式发音音标为：[eɪkætəleɪ'si:mɪə]acatalasemia的美式发音音标为：[eɪkætəleɪ'simɪr]...

int.（表示悲痛、遗憾）哎呀，唉，乌呼，呜呼哀哉...

n.同化不全，同化不良...

n.弛缓不能...

乳泌缺乏...

arthrochalasis的音标：arthrochalasis的英式发音音标为：[ɑ:θ'rɒkələsɪs]arthrochalasis的美式发音音标为：[ɑθ'rɒkələsɪs]...

柠苹酸酶...

glyoxalase的音标：glyoxalase的英式发音音标为：[glɪ'ɒksəleɪs]glyoxalase的美式发音音标为：[glɪ'ɒksəleɪs]...

吸奶器...

头甲鱼目...

alastrim的音标：alastrim的英式发音音标为：[ə'læstrɪm]alastrim的美式发音音标为：[ə'læstrɪm]...

citramalase的音标：citramalase的英式发音音标为：[sɪtræmə'leɪs]citramalase的美式发音音标为：[sɪtræmə'leɪs]...

Alastair: A new, young pianist from the Czech Republic called Irina Dubcek.阿拉斯泰: 是个刚出道的年轻钢琴家,来自捷克共和国,叫伊琳娜.杜布切克.Alastair has a bad back so we have a hard bed.阿拉斯泰尔背部有毛病，所以我们睡硬板床。Alastair: I went to a piano recital yesterd...

n.乙二醛酶，醛酮变位酶...

Cephalaspida的音标：...

catalasometer的音标：catalasometer的英式发音音标为：[kætələ'sɒmɪtə]catalasometer的美式发音音标为：[kætələ'sɒmɪtə]...

Alas, it's not that simple.哎呀，事情不是那么简单的。Credit, like a looking-glass, broken once, is gone, alas!信誉像镜子，破碎无法补。Such farsightedness is, alas , only a drop in the bucket.可惜,这些远见只是杯水车薪.Long ago I had a heart, and sighed ...

n.阿拉斯加州人adj.阿拉斯加州的，阿拉斯加人的...

encephalasthenia的音标：encephalasthenia的英式发音音标为：[ensefələs'θi:nɪə]encephalasthenia的美式发音音标为：[ensefələs'θinɪr]...

agalasia的音标：agalasia的英式发音音标为：[æɡæ'leɪzɪə]agalasia的美式发音音标为：[æɡæ'leɪzɪr]...

Objective To survey the exist condition of malassezia in earwax in youth.目的调查青年人群耵聍中马拉色菌的存在状态.Despite an overall genomic similarity , U. maydis and Malassezia differ in the proteins they secrete.尽管全基因组有极大的相似性, 但玉米瘤黑粉菌和马拉...

alaskaite的音标：alaskaite的英式发音音标为：[əlæs'keɪt]alaskaite的美式发音音标为：[əlæs'keɪt]...

Alaskan huskies pull dogsleds.阿拉斯加的爱斯基摩狗拉雪橇.C. It will drain the oil reserves in the Alaskan region.将消耗的石油储量在阿拉斯加地区.The Alaskan ranges have a large array of simulated surface - to - air threats.在阿拉斯加宽阔的土地上有大量模拟的地对空威胁....

catalase的音标：catalase的英式发音音标为：['kætəleɪs]catalase的美式发音音标为：['kætəleɪs]...

malassimilation的音标：malassimilation的英式发音音标为：[mæləsɪmɪ'leɪʃən]malassimilation的美式发音音标为：[ˌmæləˌsɪmə'leɪʃən]...

润滑药...

n.类天花，轻天花...