The Princess's sitting-room leads off the drawing room.王妃的起居室挨着客厅。the Princess of Wales威尔士王妃She performs the duties of a princess with great aplomb.她泰然自若地履行王妃的职责....
The impurity of supposedly pure subcellular fractions is a constant threat to the plant biochemist.以为亚细胞组分很纯而实际不纯的情况,一直是植物化学家感到难办的问题.Sir Ernst Boris Chain was a German - born British biochemist.恩斯特·鲍里斯·钱恩先生是一位出生在德国的英国生物化...