Ectosac
[医] 外膜, 外囊(卵)
🗣️ 情景例句
You know I'm very excited about his arrival.
知道我对他的到来是多么兴奋。
To play golf every weekend
每个周末去打高尔夫球
Two men who recently spent five days on a coral island wished they had stayed there longer.
最近有两个人在一座珊瑚岛上呆了5天，他们真希望在那儿再多呆一些日子。