Jack-knifing
vi. 中间呈V形弯
🧩 词语组成解析
jack
[[dʒæk]]
n. 插座, 千斤顶, 男人\\nvt. 抬起, 提醒, 扛举, 增加, 提高, 放弃\\na. 雄的\\n[计] 插座
刮涂, 刮膜, 切深, 切割
🗣️ 情景例句
How's your English coming along?
你英语学得怎样了？
He's concentrating on learning English.
他集中精力学英语。
The search proved difficult, for the puma was often observed at one place in the morning and at another place twenty miles away in the evening.
事实上搜寻工作很困难，因为常常是早晨在甲地发现那只美洲狮，晚上却在20英里外的乙地发现它的踪迹。