New ways to treat arthritis may provide an alternative to painkillers.关节炎的新疗法可能是止痛药之外的另一种选择。The doctor gave him some painkillers to ease the pain.医生给了他一些止疼片以减缓疼痛.Acetaminophen is the active ingredient in painkillers such...
A chain of beacons was lit across the region.整个地区点起了一系列灯塔.Lighthouse and beacons flash at night.晚上灯塔与信号台闪着光.Camp fires flared like beacons in the dark.营火突然熊熊燃烧起来，看上去就像黑暗中的航标灯。...