Pentaploidy
五倍性
🗣️ 情景例句
going to the children's ward once or twice a week
每星期就去小儿科病房一、两次
When a dog is drowning,every one offers him drink.
待到狗溺水，众人给水喝。
Our order specified no substitutions.
我们订单上特别裁明了“拒收替代品”。