初生分节
参考答案:是指全变态昆虫的幼虫,其相邻体节间以环形凹陷——节间褶相连,纵肌着生在节间褶上,其体节相当于胚胎时期的体节,故称初生体节。
She felt rather _______that she should drive the car at such a________ speed.
A.frightening, frightening
B.frightened, frightened
C.frightening, frightened
D.frightened, frightening
焊缝规定画法中,表示焊缝经加工后表面平齐的辅助符号是()。
A、
B、
C、
D、