並前往https://books.google.com.tw/books?id=mLK6TZ8hLhUC&pg=PA574&lpg=PA574&dq=titanium&source=bl&ots=qLwZzwwsrI&sig=ACfU3U3qRg8bhNRItUDkBswETWd79K_S9g&hl=zh-TW&sa=X&ved=2ahUKEwiEp9_yjcH9AhWZF1kFHYOhABUQ6AF6BQjxAhAD