back-and-forth是什么意思
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解决时间 2021-11-20 09:01
- 提问者网友:低吟詩仙的傷
- 2021-11-19 11:42
back-and-forth是什么意思
最佳答案
- 五星知识达人网友:杯酒困英雄
- 2021-11-19 12:47
back-and-forth
反复地,来回地
Hold the floss tightly against the tooth, and move it away from the gum. Slide itfirmly down the tooth surface, combining this with a back-and-forth motion.
牙线紧紧地贴着牙齿 ,往上向远离牙龈的方向移动,再沿着牙齿邻面向下移动,把这个动作跟牙线的前后移动组合在一块。
很高兴第一时间为您解答,祝学习进步
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反复地,来回地
Hold the floss tightly against the tooth, and move it away from the gum. Slide itfirmly down the tooth surface, combining this with a back-and-forth motion.
牙线紧紧地贴着牙齿 ,往上向远离牙龈的方向移动,再沿着牙齿邻面向下移动,把这个动作跟牙线的前后移动组合在一块。
很高兴第一时间为您解答,祝学习进步
如有问题请及时追问,谢谢~~O(∩_∩)O
全部回答
- 1楼网友:十年萤火照君眠
- 2021-11-19 13:10
back-and-forth
来回
Get to a point in your wave that a quick conference call would be more productive thancontinuing your back-and-forth in wave?
可能在某个时刻,在你的wave会话中召开一次快速电话会议,效率将远远高于在wave中继续一来一回的对话?
来回
Get to a point in your wave that a quick conference call would be more productive thancontinuing your back-and-forth in wave?
可能在某个时刻,在你的wave会话中召开一次快速电话会议,效率将远远高于在wave中继续一来一回的对话?
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