Constabcy
n. 坚定不移
🗣️ 情景例句
OK.
好的。
The greatest talkers are always the least doers.
言语的巨人往往是行动的侏儒。
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。