placenta的复数形式为：placentas...

But comparable numbers of those who received placebos also improved.但是吃安慰剂的人的病情也改善了.Yes doctors, at least doctors in Chicago occasionally purposely prescribe placebos.是的,医生, 至少是芝加哥的医生们偶尔会特意开药方安慰剂.Others said they had ord...

extraplacental的音标：extraplacental的英式发音音标为：[ɪkst'ræpleɪsentl]extraplacental的美式发音音标为：[ɪkst'ræpleɪsentl]...

The shop was an old converted house with many large, disused fireplaces and tall, narrow chimneys.那是一座老式的 、 经过改造的房子,店里有许多废置不用的大壁炉和又高又窄的烟囱.When the central - heating was installed, the fireplaces were walled up.安装暖气设备之后, ...

take place的近义词有：happen, occur, chance, take place。下面这些词语都可表示"发生"的含义：happen：普通用词，泛指一切客观事物或情况的发生，强调动作的偶然性。occur：较正式用词，可指意外地发生，也可指意料中的发生。chance：侧重事前无安排或无准备而发生的事，特指巧合。take place：多指通过人为安排的发生。...

placebo的音标：placebo的英式发音音标为：[plə'si:bəʊ]placebo的美式发音音标为：[plə'siboʊ]...

in the first place的音标：in the first place的英式发音音标为：[in ðə fə:st pleis]in the first place的美式发音音标为：[ɪn ði fɚst ples]...

发生，举行，来...

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displacement的复数形式为：displacements...

There may be widespread changes in ground elevation as well as horizontal or shear displacements.地面标高可能发生广泛的变动,也可能发生水平位移或剪切位移.The laws of physics are symmetrical for translational displacements.物理定律对平移是对称的.And then there...

emplacements的音标：...

a dangerously complacent attitude to the increase in unemployment对失业增加抱满不在乎的危险态度Complacent cat cross a tiger force , depilate husband and wife to be inferior to chicken.自得猫儿强过虎, 脱毛鸾凤不如鸡.He is complacent very on the stree...