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1·He moved into an upright position.

他换成了一个挺直的姿势。《柯林斯英汉双解大词典》

2·As the wheel rotates, the gondolas are kept in the upright position by a simple gearing system.

当车轮转动时，贡多拉通过一个简单的传动系统保持在垂直位置。

3·Put the back of your seat in an upright position.

把座位靠背放到垂直的位置。

4·Keep your seat in upright position during take off.

起飞时请保持座椅呈直立状态。

5·As you exhale simply maintain that upright position.

当您呼气时，尽量保持挺直的身姿。

6·Put your seat into the upright position for landing .

飞机着陆时，请把座椅调直。

7·Set the dumbbells in an upright position on your knees.

哑铃设置在直立位置您的膝盖上。

8·Please put the back of your seat in an upright position.

请把作为靠背转到垂直位置。

9·How do I bring my seat back to its full upright position?

怎样将我的椅背恢复到垂直的位置？

10·Please bring your seat back to its full upright position.

请将座椅靠背调整到正常位置。