Stiffeners
n. 加强剂（stiffener的复数）
🗣️ 情景例句
After the marathon, most of the competitors looked all in.
跑完马拉松，大多数参加比赛的人显得疲劳不堪。
God never shuts one door but he opens another.
天无绝人之路。
If, at the time, the British had not feared invasion, it would have been completed.
如果不是因为那时英国人害怕入侵，隧道早已建成了。