与水平安定面相连的是两个称为 “ 升降舵 ” 的可动操纵面.Attached to the stabilizers are two movable surface called " elevator ".俯仰力矩的变化由升降舵的偏转来提供.A variable pitching moment is provided by moving the elevator.飞机的升降舵可以使它升降自如.The elevator of an airc...
Eight drawings by French artist Jean Cocteau will be auctioned next week.下周法国画家让·科克托的8幅作品将被拍卖。Her dresses will be auctioned off for charity.她的衣物将被拍卖以资助慈善事业。It was sad to see all grandmother's lovely things being auc...
All through dinner Muller made his courteous conversation.在整个晚饭过程中,马勒说话总是小心翼翼的.The clerks are courteous.店员们都很谦恭客气.The courteous boy was civil to everybody.这个谦恭的男孩对每一个人都很有礼貌。a kind of courteous kitsch谦恭的庸俗艺术My friend'...