Polyembryonic
多胚的
🗣️ 情景例句
Is this your best price?
这是你们最优惠的价格吗？
The young man had been well aware of her presence at the party.
那个年轻人早已注意到她在宴会上。
Six men have been trapped in a mine for seventeen hours.
6个人被困在矿井里已有17个小时了。