例句與造句

1. All silks become brittle with age, but weighted silks ( see Textile Instability above ) decay more quickly, and thus must be handled with extreme care.
2. In 1938 the U . S . Federal Trade Commission ruled that silk that weighted more than 10 % and black silk that weighted more than 15 %, must be labeled " Weighted Silk ".
3. It's difficult to find weighted silk in a sentence. 用weighted silk造句挺難的