Gratuitous act
[法] 无偿行为
🧩 词语组成解析
act
[ækt]
v. 行动;表现;表演;起作用;
n. 行为;行动;法案，法令;短节目;
🗣️ 情景例句
Richard, did you go to the aerobics class, really? Richard
你真的上了有氧运动课吗？
What lives in there?
那里面生存着什么呀？
Once the oxygen content of the air had risen to 25% it was ready to burn.
一旦氧气在空气中的含量达到25%，它就要燃烧。