Electra
n. 多区无线电导航系统
🗣️ 情景例句
We have brought this transaction to a successful conclusion.
我们已成功地达成了协议。
Children enter school at the age of five,don't they?
孩子们在5岁时入学吗？
Just ahead of us there was a huge fissure.
离我们不远处，出现一个大裂缝。