We therefore write the formal mechanism in equations ( 47 a ), ( 47 b ) and ( 47 c ) in which ds is a donor additive.因此,我们把正式的反应历程定成方程式 ( 47a ), ( 47b ) 和 ( 47c ),式中ds是 给电子添加剂.P 300 PL was negatively correlated with the ...

appends的音标：...

n.（有助于成功的）跳板( springboard的名词复数 )，（跳水、体操等体育运动中的）跳板，踏板...

backwoodsman的音标：backwoodsman的英式发音音标为：['bækwʊdzmən]backwoodsman的美式发音音标为：[]...

midsummer的反义词有：midwinter。n.midsummer的反义词（夏至期）：midwinter。...

northwards的音标：northwards的英式发音音标为：['nɔ:θwədz]northwards的美式发音音标为：['nɔrθwərdz]...

adv.然后，后来地，以后，之后，继...

liquids的音标：liquids的英式发音音标为：['lɪkwɪdz]liquids的美式发音音标为：['lɪkwɪdz]...

backwoods的音标：backwoods的英式发音音标为：['bækwʊdz]backwoods的美式发音音标为：['bæk'wʊdz]...

lands的音标：lands的英式发音音标为：[lændz]lands的美式发音音标为：[lændz]...

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

mockingbirds的音标：...

bodyguards的音标：...

forwards的近义词有：forwards, forth, onwards。下面这些副词均含有"向前"的含义：forwards：多指具体的向前移动。forth：正式的书面用词，侧重指向前行进。onwards：通常指向着一定的目标、终端或地方前进。...

The killer must have been heavily bloodstained.凶手肯定身上血迹斑斑。For the first two or three days lochia is bloodstained and then becomes paler in color.在头2-3天,恶露深有血液,以后颜色变白.Do you think they can live at peace with their bloodst...

n.丈夫( husband的名词复数 )...

n.红色( red的名词复数 )，红衣服，红颜料，红葡萄酒...

He suggested a link between class size and test results of seven-year-olds.他认为7岁大的学生的测试分数和班级的规模有关系。Snow Puppies is a ski school for 3 to 6-year-olds.“雪狗之家”是一所针对3至6岁儿童的滑雪学校。More than a quarter of seven year-olds cannot ad...

GDSS的音标：...

He had only gone along out of concern for his two grandsons.他完全是出于对两个孙子的关心才继续这样做。She steadfastly maintained that her grandsons were innocent, and nothing could dissuade her from that belief.她坚持认为她孙子是无辜的，什么都不能改变她这一看法。Aren...

Springfields的音标：...

...

双联梳棉机...

v.贺礼，彩金( handsel的过去式和过去分词 )...

" What, those little Reds who're always chalking up slogans everywhere?“ 喔, 就是那些专门写标语的小赤老 么 ?Dark reds and purples are bold colors that make me feel strong and sassy.深红与紫色是大胆的色彩,使我感到有力量并活力充沛.They're all so terr...

n.（寡妇的）丧服，黑纱带，杂草( weed的名词复数 )，烟草，水草，大麻烟v.除杂草( weed的第三人称单数 )，说笑话，开玩笑( jest的过去式和过去分词 )，很早的...

An aerial view of the marshlands in 1976 shows them still largely intact.1976年从空中看这片沼泽仍然是完整的.Armymen Climbed the snow mountain and trudged through the marshlands for many days.红军战士爬过雪山又在沼泽跋涉了许多天.Nowhere is Iraq's wa...

grandsons的音标：...

I distinctly heard the loudspeaker calling passengers for the Turin-Amsterdam flight.我清楚地听到扩音器里在请都灵至阿姆斯特丹航班的旅客登机。Announcements were made over the loudspeaker system.通知通过喇叭广播。Their names were called over the loudspeaker ....

v.使混杂，混入( interlard的第三人称单数 )...