on the threshold of怎么读？

在…的开头，在…快要开始的时候，在…的前夕...

We are on the threshold of a new era in astronomy.我们很快就将迎来天文学的新纪元。Here she is on the threshold of womanhood.现在她将迈入成年期。The sound was so loud it was on the threshold of pain.声音大得开始使人无法忍受....

The bump stores great pressure. The machine tool can be operated with multi house and gunstock.帮浦蓄压大,母机可作多组胶管与枪体操作....

befalls的音标：...

Larinae的音标：...

南极约98%覆盖着厚厚的大陆冰床,2%为光秃的岩石.There are about 98 % thick continental ice sheet and 2 % barren rock.收获以后, 只剩光秃的棕色杆茎.After the harvest, the stalks were brown and bare.外面 弧光灯 的亮光透过光秃的树枝.Outside arc - light shone through the bar...

adj.缩短的，缩减的...

places的音标：...

n.预测( projection的名词复数 )，投影，投掷，突起物...

imperials的音标：imperials的英式发音音标为：[ɪm'pɪərɪəlz]imperials的美式发音音标为：[ɪm'pɪərɪrlz]...

n.单马马车，旅行提袋...

conjecture的音标：conjecture的英式发音音标为：[kən'dʒektʃə(r)]conjecture的美式发音音标为：[kən'dʒɛktʃɚ]...

choledochectomy的音标：choledochectomy的英式发音音标为：[kəʊldɒt'ʃektəmɪ]choledochectomy的美式发音音标为：[koʊldɒt'ʃektəmɪ]...

macrodefinition的音标：macrodefinition的英式发音音标为：[mæk'rəʊdfɪnɪʃn]macrodefinition的美式发音音标为：[mæk'roʊdfɪnɪʃn]...

meterman的音标：meterman的英式发音音标为：['mi:təmæn]meterman的美式发音音标为：['mitəmæn]...

“外人”的拼音为：wài rén ...

saucy的近义词/同义词有：disrespectful, rude, cheeky, pert, flippant, impertinent, cocky, flip, impudent, rude, cheeky, pert, cocky, discourteous, bold, impudent, flippant, disrespectful, conceited, flip, impertinent。adj.saucy的近义词...