Prestomum
(蠅口器)唇瓣裂
??? 情景例句
Don't worry, Richard.
別擔心， Richard。
Work will not kill a man but worry will.
累不死人愁死人。
and these will ply the short wings with such irresistible power that they can bore for long distances through an opposing gale before exhaustion follows.
這些肌肉以巨大的力量扇動短小的翅膀，使這類鳥能頂著大風飛行很遠的路才會疲勞。