A metal trace element ( micronutrient ), essential for plant growth.植物生长必需的一种微量金属元素 ( 微量营养素 ).Micronutrient accumulation and depletion in schizophrenia, epilepsy, autism and Parkinson's disease?精神分裂症 、 癫痫症 、 自闭症和帕金森...
Chantal was writhing in pain and bathed in perspiration.夏恩托痛苦地翻来覆去，汗水淋淋。He was writhing on the ground in agony.他痛苦地在地上打滚。The shark was writhing around wildly, trying to get free.鲨鱼拼命挣扎，试图逃脱。He was writhing in agony...他痛苦...
车站工作人员通过广播告知火车到站了。Station staff announced the arrival of the train over the tannoy.市中心距离车站4公里远。The centre of the town is 4 kilometres from the station.我们坐在车站的自助餐厅里喝茶。We sat in the station buffet sipping tea....