Firming
vt.& vi. 使坚固（firm的现在分词形式）
🗣️ 情景例句
Sure.
当然。
East, west, home is best.
金窝、银窝，不如自己的草窝。
But it's true. I was the only person in my office who was invited. I've written to accept the invitation.
可这是真的。我们办公室只有我受到邀请。我已经写信表示接受邀请了。