| 释义 |
on-and-off 英'ən'ænd'ɔːf美'ən'ænd'ɔːf COCA⁸⁰¹⁸²BNC¹⁴⁴⁶⁶⁴⁺³iWeb³⁹⁶³⁹Economist⁴¹³⁰³⁺²
基本英英例句
adj.时断时续的¹⁰⁰
副词 on and off:
not regularly Before concerns arose in2000 about safety of multiple courses of steroids, many mothers in on-and-off preterm labor received several rounds before delivering.
2000年在对反复类固醇治疗的安全性出现忧虑前，很多反复早产母亲在分娩前接受多次类固醇治疗。 dxy |