terrace的现在进行时为：terracing...

On new wood - burning fireplaces, first determine what you are burning.对于一台新的燃木壁炉, 气味的问题首先取决于燃烧物.When the central - heating was installed, the fireplaces were walled up.安装暖气设备之后, 便把壁炉封闭起来了.The shop was an old converted h...

trace的现在进行时为：tracing...

interlace的现在完成时为：interlaced...

interface的一般过去时为：interfaced...

n.避孕用具，[药]避孕剂adj.避孕的，避孕用的...

grimace的一般过去时为：grimaced...

n.项链...

lacerate的现在进行时为：lacerating...

solace的一般过去时为：solaced...

n.界面，接口，交界面v.（使通过界面或接口）接合，连接，[计算机]使联系vi.相互作用（或影响），交流，交谈...

醋酮...

methylacetal的音标：methylacetal的英式发音音标为：['meθɪleɪsɪtl]methylacetal的美式发音音标为：['meθɪleɪsɪtl]...

They may even have raced each other — but not regularly.他们甚至可能曾经相互比试过，只不过不是经常性的。He raced ahead up into the bush, barking and snarling.它嗥叫着冲向前，一头钻进了灌木丛。In the 10 years I raced in Europe, 30 drivers were killed.在我10年的欧洲赛车生...

乙酰化器...

氯乙酰丙氨酸...

Gordiacea的音标：...

虫霉科...

n.界面上的，界面的...

亚氨基二乙腈...

n.氟乙酸盐[脂]...

acetate的音标：acetate的英式发音音标为：['æsɪteɪt]acetate的美式发音音标为：['æsɪˌtet]...

Lecythidaceae的音标：...

He began to tie his shoelaces.他开始系鞋带。I was a soldier down to my shoelaces.我是名不折不扣的军人。a pair of shoelaces一副鞋带He is bending down to tie his shoelaces.他正弯下腰系鞋带。Hurry up. Tie up your shoelaces; we are late.快点, 系上你的鞋带, 我们晚了....

The stately swan glides gracefully on the pond.天鹅在池面上优美地游动.She stepped gracefully onto the stage.她步态优雅地走上舞台。She pivots gracefully on the stage...她在舞台上优雅地旋转。A rainbow arced gracefully over the town.彩虹在小城上空画出了一道优美的弧线。A sma...

n.航空与航天空间( aerospace的名词复数 )，宇宙空间（指地球大气层及其外面的空间），航空航天学，航空航天工业...

Chlorobiaceae的音标：...

n.权杖，狼牙棒（古代兵器），肉豆蔻干皮，肉豆蔻种衣（用作香料）...

acedronoles的音标：acedronoles的英式发音音标为：[eɪ'sedrənəʊlɪz]acedronoles的美式发音音标为：[eɪ'sedrənoʊlɪz]...

n.一本正经的面容，毫无表情的脸...