Annular placenta
[医] 环状胎盘
🧩 词语组成解析
annular
[['ænjulə]]
a. 环形的\\n[医] 环状的
placenta
[plə'sentə]
n. 胎盘，胎座;
🗣️ 情景例句
Dad! Grandpa! He fell in!
爸爸， 爷爷， 他掉下去了。
Were it left to me to decide whether we should have a city without bikes or one without cars.
如果让我来决定我们要一个没有自行车的城市，还是要一个没的汽车的城市。
Both men had just begun to swim towards the shore, when they noticed with dismay that the speedboat was moving in a circle.
两个人刚开始向岸边游去，就突然惊愕地发现快艇正在转着圈行驶，