查询词典 vortex ring

gimbal ring：常平衡环

gimbal mounting 万向吊架 | gimbal ring 常平衡环 | gimbal ring 常平衡环常平环

gimbal ring：常平环

gimbal ring 常平衡环常平环 | gimbal ring 常平环 | gimbal suspension 万向接头

gromet ring：索环

gromet punch 帆布打洞机 | gromet ring 索环 | gromet ring 索环;帆布金属眼环;麻绳填料环

gromet ring：索环;帆布金属眼环;麻绳填料环

gromet ring 索环 | gromet ring 索环;帆布金属眼环;麻绳填料环 | grommet 护孔环;索环

half elliptic ring：弓形弹簧

half elliptic ring 半椭圆形弹簧 | half elliptic ring 弓形弹簧 | half finished product 半成品

And so let freedom ring from the prodigious hilltops of New Hampshire：让自由的歌声从美国新罕布什尔州上巨大小山顶上响起来

And if America is to be a great nation,... | And so let freedom ring from the prodigious hilltops of New Hampshire.让自由的歌声从美国新罕布什尔州上巨大小山顶上响起来. | Let freedom ring from the might...

Jem Ring：宝石戒指

精灵戒指||Fairy Ring | 宝石戒指||Jem Ring | 白色披风||White Cape

to jump thraugh a ring：跳过圈

smoking ring 烟圈 | to jump thraugh a ring 跳过圈 | limitations of the picture 图画的局限

piston junk ring：活塞压环

piston junk ring bolt 活塞压环螺钉 | piston junk ring 活塞压环 | piston leather packing 活塞皮垫圈

junk ring bolt：压环螺栓

juniorofficer 初级船员 | junk ring bolt 压环螺栓 | junk ring 填料函压盖承磨环

dioptric：折射光学的

dioptre 屈光度 | dioptric 折射光学的 | dioptrics 折射光学

Saturdays are fun：星期六很有趣

6. Saturdays are fun.星期六很有趣. | fun 为不可数名词,"快乐,有趣",在此做表语. | That must be fun. 那一定很有趣.