Monosomy
單體性(染色體)
??? 情景例句
Wrap him in the blanket, Dad!
用毯子把他裹好， 爸爸！
Excuse me. Can you tell me where Main Street is?
勞駕，你能告訴我正街在哪里嗎？
Workers will have completed the new roads by the end of this year.
工人們將在今年年底前把新路鋪好；