vt.折回，折返，回忆，回想，追溯，探源，重描...

brace的第三人称单数（三单）为：braces...

n.激烈的竞争，你死我活的竞争...

Jimmy collapsed on the floor, thrashing his legs about like an injured racehorse.吉米瘫倒在地板上，像匹受伤的赛马一样拼命踢蹬着双腿。Lady racehorse owners have a reputation for capriciousness.赛马的女主人们出了名地性格多变。Her father was a well-known racehorse ...

dihydrodiketoanthracene的音标：dihydrodiketoanthracene的英式发音音标为：[daɪhaɪdrədɪkɪtə'ænθrəsi:n]dihydrodiketoanthracene的美式发音音标为：[daɪhaɪdrədɪkɪtə'ænθrəsin]...

embrace的一般过去时为：embraced...

human race的音标：human race的英式发音音标为：['hju:mən reis]human race的美式发音音标为：['hjumən res]...

n.台阶( terrace的名词复数 )，台地，（房侧的）铺砌地面，一排并列的房屋...

n.炭疽，脾脱疽，脾瘟，炭疽脓疱，炭疽（病）( anthrax的名词复数 )，炭疽脓疱...

with good grace的音标：with good grace的英式发音音标为：[wið ɡud ɡreis]with good grace的美式发音音标为：[wɪð ɡʊd ɡres]...

白花菜科...

Celastraceae的音标：...

raced的音标：...

etiracetam的音标：etiracetam的英式发音音标为：[ɪtɪə'reɪsɪtæm]etiracetam的美式发音音标为：[ɪtɪr'reɪsɪtæm]...

be traced to的音标：...

氯仿冰醋酸局部麻醉法...

trace的现在进行时为：tracing...

retrace的音标：retrace的英式发音音标为：[rɪ'treɪs]retrace的美式发音音标为：[ri'tres]...

Cytheracea的音标：...

contraception的音标：contraception的英式发音音标为：[ˌkɒntrə'sepʃn]contraception的美式发音音标为：[ˌkɑntrə'sepʃn]...

茅膏菜科...

二苯并蒽...

Some guests recline in lounge chairs on the sea-facing terrace.在面向大海的平台上一些客人斜躺在躺椅上。...the flat terrace, from which arises the cubic volume of the house.上面矗立着立方形房屋的露天平台...a terrace of stylish Victorian houses.一排雅致的维多利亚风格的...

bellybrace的音标：bellybrace的英式发音音标为：[beli:b'reɪs]bellybrace的美式发音音标为：[belib'reɪs]...

adv.优美地，优雅地，雅致地，温文地...

等密度描绘仪...

Endosphaeraceae的音标：...

intracerebellar的音标：intracerebellar的英式发音音标为：[ɪnt'reɪsrbelə]intracerebellar的美式发音音标为：[ɪnt'reɪsrbelə]...

Oral contraceptives are readily available.口服避孕药容易得到.Some barrier contraceptives also help to protect against sexually transmitted infections.有些屏障避孕还有助于预防性传播疾病.Continuous Oral Contraceptives: Are Bleeding Patterns Depende...

brace的现在完成时为：braced...