tether balloon 系留气球
safety tether 安全绳
loose the tether 解开缆绳
tether ball 系绳球
cut the tethers 挣脱束缚
satellite tethers 卫星系留绳
1. The boat was secured to the dock with strong tethers.
小船用坚固的缆绳系在码头上。
2. Astronauts used safety tethers to prevent drifting away from the space station.
宇航员使用安全绳防止自己飘离空间站。
3. He felt that his job was a set of tethers keeping him from traveling the world.
他觉得工作像是一组束缚，让他无法环游世界。
A: Did you remember to check the tethers on the balloon?
A：你记得检查气球的系留绳了吗？
B: Yes, I made sure they were tight before launching.
B：是的，我在发射前确保它们系紧了。
1) 物理上的绳索、缆绳或带子，用于固定物体。
2) 引申义，指限制自由或能力的约束或束缚。
3) 在航空航天领域，指连接卫星或飞行器的系留线。
1. n. [C] (系船的) 缆绳，(系气球的) 系绳
2. n. [C] 限制物，约束，束缚
e.g.The kite was attached to the ground by a long tether.
风筝由一根长绳系在地上。
noun
1. a rope, cord, or strap used to tie something to something else so that it cannot move very far
2. a restriction or limitation that prevents someone from doing what they want
Synonym: rope, line, constraint, restriction