Wood, nails and other foreign materials were imbedded in the licorice.

木头、钉子和其它外来杂物都嵌在了甘草之中。

youdao

The immune system normally protects the body against foreign materials, such as viruses and bacteria.

免疫系统通常保护身体不受异物的影响，如病毒和细菌。

youdao

The immune system loses its ability to tell the difference between foreign materials and its own cells.

免疫系统不能识别外来物质和自身细胞的区别。

youdao

The immune system loses its ability to tell the difference between foreign materials and its own cells.

VOA: special.2010.06.15

Then, in May, the Pentagon's Defence Contract Management Agency announced an inquiry into allegations that the company was violating the (aptly-named) Berry amendment, which has prohibited the use of foreign materials in products bought by the Department of Defence for more than 50 years.

ECONOMIST: Well, hardly

First, the high U.S. corporate demand for foreign labor and raw materials alone causes a trade imbalance.

FORBES: Is 95% of the Trade Imbalance Legal Tax Evasion?

Serious economic dislocations are emerging due to a 30-percent rate of inflation, a nationwide cash squeeze, shortages in foreign exchange and raw materials (particularly coal), and massive corruption.

CENTERFORSECURITYPOLICY: Center for Security Policy | Western Corporations�� ��Short March�� Back To China: Bad Business, Awful Public Relations, Dangerous Policy