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- off - axis aspheric 离轴非球面
- The hunter cut off the animal's head with one chop of an ax. 猎人一斧砍下猎物的头。
- He bit off a large piece of the apple. 他咬下一大块苹果。
- He is a great guy, a chip off the old block. 他是一位好人，就像他父亲一样。
- The front cover of the novel has been torn off. 这本小说的封面已被撕掉。
- I'd like to see what chance I could find to trade off my ax handles. 我要看看我能找个什么机会卖掉我这些斧头柄。
- He cut off a bunch of grapes to entertain us. 他剪下一串葡萄招待我们。
- I fell off my bike and went arse over tit. 我跌下自行车，一头号栽到地上。
- The singer led off with a popular ballad. 歌唱家首先唱了一首流行的民歌。
- He headed a crowd off from the wrong exit. 他上前阻止人群从错的出口出去。
- He neatly fended off a jab at his chest. 他利落地挡开了当胸的一击。
- The bubonic plague swept off most of the villagers. 那场淋巴腺鼠疫夺去了大部分村民的生命。
- He drank off the flagon of wine amid their cheers. 在他们的喝彩声中他喝了一大瓶酒。
- The parvenu invited guests but they all hung off. 这个暴发户邀请了客人，但是他们都不愿意去。
- It's a bad habit for a boy to toss off. 对一个男孩来说，手淫是个坏习惯。
- I scrubbed hard at the stain to see if I could get it off. 我使劲擦这个污迹，看能不能将它去掉。
- It's natural to slack2 off towards the end of a hard day's work. 一天紧张工作快结束的时候有些放松是自然的。
- The ship kept the buoy on her off side. 这条船在浮标的左边。
- The slide cut off the valley from the rest of the world. 山崩切断了这个山谷与外界的联系。
- The teacher let him off the hook with a warning this time. 这一次老师放过他，只给了一个警告。
