phosphate free cleaning agent无磷洗涤剂
Free Trade Agent American贸易委员会;自由贸易委员会;美国自由贸易委员会
nitrite-free curing agent无硝腌制剂
HCHO-free fixing agent无醛固色剂
chrome-free tanning agent无铬鞣剂
formaldehyde-free finishing agent无甲醛整理剂
Arsenic-free devitalizing agent无砷失活剂
Formaldehyde-free fixing agent无醛固色剂
alkali-free accelerating agent无碱速凝剂
N-COUNT（可数名词） If you say that someone is a free agent, you are emphasizing that they can do whatever they want to do, because they are not responsible to anyone or for anyone. 自由不需负责任的人
We are not free agents; we abide by the decisions of our president.
我们不是自由不需负责任的人；我们遵守总统的决定。
N-COUNT（可数名词） If an athlete is a free agent, he or she is free to sign a contract with any team. 自由球员 [美国英语]