Nitropenton
四硝季戊四醇
🗣️ 情景例句
There must be some way to put my mind to good use.
总会有办法让我发挥才智。
Mr. Smith is still in his forties.
史密斯先生才四十几岁。
That's why I didn't see the sign.
所以我才没看见那牌子。