Showings
油气运移；油花
🗣️ 情景例句
You work hard on all your committees,
而你总是在各种委员会里忙，
He likes playing the harmonica.
他喜欢吹口琴。
Most countries use these satellites to send and receive messages.
大多数国家利用这些卫星发送和接收消息。