翻譯:We shall be glad to ship the goods by a direct steamer to Van eouver within 30 days after reeeipt of you L/C.
_______ that the scientist will give us a talk next month?
骨盆是由骶骨、尾骨和左右兩塊髖骨構成。()
抑郁發(fā)作最危險癥狀是 _____,有效控制這一癥狀的治療是 ______。
暴露因素與疾病的關聯(lián)形式有______、虛假關聯(lián)、伴隨關聯(lián)和因果關聯(lián)。