Bellcore
贝尔通信研究所
🗣️ 情景例句
One of my great enthusiasms in music.
我的一大爱好就是音乐。
Button holes are very hard to sew.
要缝钮扣洞非常难。
He can get up for about two hours each day, but you must keep the room warm.
他每天可以起来两个小时，但您必须保持房间温暖。