Solderless
无焊料的，无焊剂的
🗣️ 情景例句
When do you think we'll be through?
你认为我们什么时候能完毕？
I've come to say goodbye.
我是来告别的。
I don't know his number. Did you write it down?
我不知道他的电话号码。你记下来了吗？