Solderless
無焊料的，無焊劑的
??? 情景例句
We'll sign two originals, each in the Chinese and English language.
我們將要用中文和英文分別簽署兩份原件。
Know thyself.
知道你自己。
This is one example of a part-time job leading to greater things.
這是兼職工作通向更大事業的一個例子。