rostra

1.Amid warm applause the honoured guests mounted the rostrum.

热烈掌声中贵宾们登上了主席台。

2.He warmly shook hands with those gathered around the rostrum.

他同聚集主席台四周人热情握手。

3.From the rostrum he thundered at them and shook his fists.

他从讲坛上向他们大声斥责,并且挥动双拳。

4.It grasps its victim in its forelegs and pierce it with its rostrum.

它用前腿抓住牺牲品，把喙入对方体。

5.On either side of the rostrum sat representatives of parents,teachers and Red Scarves.

演讲台两边,坐着家长代表,教师代表和红领巾代表。

6.He was invited to sit on the rostrum as a representative of extramural instructors.

他以校外辅导员份,被邀请到主席台上。

7.Utricles convex on both sides; rostra nearly equal to length of kernel; seed free from pericarp; leaves and bracts acicular to spinulose at apex.

胞果凸两面；喙差不多等于珠心长度；种子离生果皮；对具微先端针状叶和苞片。