Shackled
v. 給（某人）帶上手銬或腳鐐( shackle的過去式和過去分詞 )
??? 情景例句
Hi.
嗨，
We really wish you'll have a pleasant stay here.
我們真誠地希望你們在這里過得愉快。
The basic features include a crest (the highest point of the wave),
它們的基本特征包括浪峰（波浪的最高點）