American r's usually are made for most people with the sides of the tongue kind of bunching up.

大多数人发美式口音中“r”音，舌头侧方会有点揉成一团感觉。

I've mentioned habit bunching on this channel.

我已经在这个频道上提到过习惯聚集。

Just one of many measures meant to keep kids from bunching up and preventing the spread of the coronavirus, the head of Secondary Education says.

中等教育部门负责人说，这只是许多旨在防止儿童聚集和防止冠状病毒传播措施之一。

Property and HR managers alike will want more data in order to understand how facilities are being used, and on which days and times people are bunching in the office.

公司资产管理者和人力资源经理都想获得更多数据，以便了解人是如何使用设备，以及人在哪些日子和间聚集在办公室。

Since you don't have any implement, you might try bunching up your fabric in the back of you, and creating a kind of ledge, and then hooking yourself there, and totally relaxing.

如果你没有什么工具，你可以试着把你衣服一下，做一个垫子，然后向后靠，并且放松。

One possibility is that this glass-like structure physically prevents all the other proteins and junk in a cell from bunching up or unfolding, and it keeps any membranes from fusing together.

一种可能性是，这种玻璃状结构在物理上阻止了细胞中所有其蛋白质和垃圾聚集或展开，并防止任何膜融合在一起。

Fear was etched into her features, in the bunching of her forehead and the tightening of her lips. Alone with just me, she put aside the persona she displayed for others. She was her old self again, fragile, breathy.

恐惧蚀刻进她面容， 在她紧锁眉头和紧闭双唇里。单独和我在一起，她放下了人前伪装。她又是那副老样子，脆弱，呼吸急促。