Be conversant with
熟悉…,精通…
🧩 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;
with
[wɪð]
prep. 和，跟;随着;关于;和…一致;
🗣️ 情景例句
Do you want to get together and study sometime?
你想和我一起学习吗？
When's class gonna end?
怎么还不下课？
It is not a simple competition for a fixed amount of food determined by the physical environment,
它已不是为了争得物质环境所决定的有限食物而进行的简单竞争了，