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- Stand on end; To be kept upright. 保持直立。
- If you would kindly please to let me keep upright, sir, perhaps I shouldn't be sick. 先生，请你行行好，让我直起身子来，免得恶心反胃。
- There was still a set of those fascinating volumes on the living-room bookshelves, incongruously kept upright by a bookend of Beethoven at his piano. 客厅的书架上现在还放着这么一套有意思的书，不协调的是，让这套书立得直直的是一个贝多芬弹琴模型的书档。
- So thick and strong is the mass of creepers that when a wood-cutter has hacked through a tree-trunk it is often kept upright,bound to the surrounding trees. 匍匐植物是如此的厚实强壮以至于当伐木工人砍下树干时，它依旧保持竖直，缠绕于周边的树上。
- You can keep my book as long as you like. 我的书你要借多久都随你的便。
- Please keep the watch for me while I go swimming. 我去游泳，请代我保管这表。
- Keep your seat in upright position during take off. 起飞时请保持座椅呈直立状态。
- It was very thoughtless of you to keep her waiting so long. 你让她等那么久也太不体谅人了。
- It's important for the college freshman to keep his nose clean. 对大学新生而言洁身自好是很重要的。
- The government is trying to keep a low profile on this issue. 政府力图在这个问题上保持低姿态。
- Keep the box in an upright position. 把盒子竖着放。
- Keep away from that house. They have scarlet fever. 不要接近那一家，他们在患猩红热。
- Let's keep together or we shall lose each other. 咱们待在一块儿，否则就会失散了。
- John couldn't keep cool when he met his rival. 约翰见到他的对手就不能冷静下来。
- Keep on go till you come to a red brick building. 一直往前走直到一座红砖楼为止。
- Keep your hands off me; or I'll knock you down. 不要碰我，当心我把你打倒在地。
- So do I. See you later. Keep in touch. 我也是，再见。记得联系哦。
- She's old and infirm and has to keep to the house. 她因年老体弱而足不出户。
- Keep straight on until you get to the church. 一直朝前走就走到教堂了。
- Keep the sun behind you when you take a photo. 拍照时要让太阳留在你的身后。
