Borderline knock curves
[机] 边界线爆震曲线
🧩 词语组成解析
borderline
['bɔ:dəˌlain]
n. 分界线，国界线;
adj. 边界上的;边界附近的;暧昧的;不明确的;
knock
[nɑk]
n. 短促的敲打（声）;爆震声;敲击声;敲门（或窗等）声;
vi. 猛烈敲击;与某物相撞;撞到了桌子;
vt. （心）怦怦跳;把…撞击成（某种状态）;批评;
n. 曲线；弯曲状（curve的复数形式）
🗣️ 情景例句
Maybe you can photogragh a class,
也许你来拍一次上课的情形，
The Red Cross supervised the distribution of food and clothing to the flood victims.
红十字会坚督分配食物和衣物给水灾受害者。
In his mouth were the remains of fir trees -- the last meal that he had before he fell into the crevasse and broke his back.
它嘴里还留着冷杉 -- 它掉进冰河裂隙折断脊椎柱之前的最后一顿饭。