Sherardising
扩散镀锌法
🗣️ 情景例句
Hi.
嗨。
I get into bed at about 11:30 and go right off to sleep.
我大约在11:30上床并且睡觉。
With the invention of writing, a great advance was made, for knowledge could then be not only communicated but also stored.
随着书写的发明，又迈进了一大步，因为这样一来，知识不仅能交流，而且能储存了。