Starfish are actinoid -- that is, they are radially symmetrical.海星呈放射性形状 —— 那就是说, 它们是呈对称的放射状....

inactivity的音标：inactivity的英式发音音标为：[ˌɪnæk'tɪvətɪ]inactivity的美式发音音标为：[ˌɪnæk'tɪvətɪ]...

The cost is only a fraction of his salary.那项费用不过是他薪水的一小部分。These 50,000 arrears cases represent a tiny fraction of all home owners.这5万个欠款案例只代表所有业主中的一小部分人。The eagerly-awaited experiment aims to recreate conditions that exi...

She reached into the wardrobe and extracted another tracksuit.她伸手又从衣橱里取出一件运动服。This material has been extracted from "Collins Good Wood Handbook".这些材料摘自《柯林斯优秀木材手册》。The juice is extracted by centrifugal force.果汁是通过离心力榨取的。...

practice的复数形式为：practices...

subtract的现在完成时为：subtracted...

乳酶...

extractor的音标：extractor的英式发音音标为：[ɪk'stræktə(r)]extractor的美式发音音标为：[ɪk'stræktər]...

lactorrhea的音标：lactorrhea的英式发音音标为：[læktə'ri:ə]lactorrhea的美式发音音标为：[læktə'riə]...

Agrobacterium的音标：Agrobacterium的英式发音音标为：[əɡrɒ'bæktɪərɪəm]Agrobacterium的美式发音音标为：[əɡrɒ'bæktɪərɪrm]...

双歧放线菌属...

incompact的音标：incompact的英式发音音标为：[ˌɪnkəm'pækt]incompact的美式发音音标为：[ˌɪnkəm'pækt]...

v.毁损，贬低，减损( detract的过去式和过去分词 )...

leptodactyline的音标：leptodactyline的英式发音音标为：[leptɒ'dæktɪlaɪn]leptodactyline的美式发音音标为：[leptɒ'dæktɪlaɪn]...

皮内反应...

His tactlessness showed that he had completely misread the situation.他不能随机应变,这表明他对情势完全误解了.Thinking this was because of the old woman's tactlessness, her husband just smiled.男子以为这是笑大娘不懂事,所以也在一旁干笑着.Everybody flinched ...

exact的最高级为：exactest...

extractive的音标：extractive的英式发音音标为：[ɪk'stræktɪv]extractive的美式发音音标为：[ɪk'stræktɪv]...

n.破裂，碎裂，龟裂，（水力）压裂v.（使）折断，破碎( fracture的现在分词 )...

Dactylochirotida的音标：...

characteristics的音标：characteristics的英式发音音标为：[ˌkærɪktə'rɪstɪk]characteristics的美式发音音标为：[ˌkærɪktə'rɪstɪk]...

n.工厂，制造厂，代理店...

六放海绵纲...

...

bioactivator的音标：bioactivator的英式发音音标为：[bi:ə'ʊæktɪveɪtə]bioactivator的美式发音音标为：[biə'ʊæktɪveɪtə]...

Using insurance actuary pricing , we gain the European option pricing model.使用保险精算法,给出了欧式期权的定价公式.French actuary and close associate of artist Pablo Picasso.法国精算师,帕博罗毕加索的密友.Nowadays, I'm working hard to become an act...

factitive的音标：factitive的英式发音音标为：['fæktətɪv]factitive的美式发音音标为：['fæktɪtɪv]...

v.使断奶...

bacteriochlorophyll的音标：bacteriochlorophyll的英式发音音标为：[bæktɪərɪəʊk'lɒrəfɪl]bacteriochlorophyll的美式发音音标为：[bæktɪərɪəʊk'lɒrəfɪl]...

reactivate的音标：reactivate的英式发音音标为：[ri'æktɪveɪt]reactivate的美式发音音标为：[ri'æktəˌvet]...