Be tied to
出国 Abroad被束缚于…,与…紧密联系在一起
🧩 词语组成解析
be
[bi]
v. 是;有，存在;做，成为;发生;
aux. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质;
v. 系（tie的过去式和过去分词）
to
[tu,tə]
prep. 向，朝着;到;关于;属于;
adv. 朝一个方向的;到某种状态;关闭;
🗣️ 情景例句
Bye-bye.
再见。
He seldom came to see his wife, did he?
她不来看他妻子，是这样吗？
Even if two of these were flooded, she would still be able to float.
即使有两个舱进水，仍可漂浮的水面上。