Be protected against
对...作好戒备, 防止...
🧩 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;
protected
[prə'tektid]
v. 保护( protect的过去式和过去分词 );防护;投保;关税保护;
🗣️ 情景例句
It's hard to say. I like volleyball a lot, but I guess I like tennis better.
很难说，我喜欢排球，但我想我比较喜欢网球。
When's class gonna end?
怎么还不下课？
Every year, several classes visit the factory.
每年都有好几个班去参观这家工厂。