on or off the ball（意思翻译）

球上或球下

on or off the ball（相似词语短语）

1、be on the ball───全神贯注；提高警惕；机灵

2、the ball───球

3、on off───开关离合通断双位式；adj.时断时续的; 离合的; 双位的

4、take eyes off the ball───把眼睛从球上移开

5、off on───关-开

6、on ball───在球上

7、on the ball───adv.机灵；留心；有见识；勤奋；机警，高明

8、or the───或者

9、buy or on the sand───买还是在沙滩上

on or off the ball（双语使用场景）

1、On-off valve shall be pneumatic ball valve, and the leakage class is V or VI. All the valve accessories such as limit switches, solenoid valves and filter regulators shall be supplied with the valves.───切断阀采用气动球阀，泄漏等级为V或VI级，限位开关、电磁阀、空气过滤减压阀等应随阀成套供货。

2、If he or she has strong jaws and chews on the ball it can pop into the back of her throat and cut off the air supply.───如果它有强壮的嘴(大嘴巴)，在咬球的时候很可能球会突然的进到嗓子里并卡在那里造成窒息。

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