Ultron
波导耦合正交场放大管
🗣️ 情景例句
I've never seen anyone as strict as my boss.
我就没见过像我们老板这么严厉的人。
I'm sorry to have kept you waiting.
很抱歉，让你久等了。[分词作状语]
and a very firm hand must be employed in the early stages.
因此开始阶段需要有一位强有力的老手。