Radiopharmacy
放射性藥物學
??? 情景例句
That's right. What should we do when we find a shortage in the shipment?
這很對。要是我們發現貨物短缺，該怎么辦？
He came at a bad time.
他來的不是時候。
This would solve the problem of ventilation, for if a train entered this tunnel, it would draw in fresh air behind it.
因為如果有列火車開進隧道，它就把新鮮空氣隨之抽進了隧道。