锁的‘主要’ 露表面。
另一方面，如果锁被占有很长时间，那么自旋的线程只会消耗CPU而不做任何有用的工作，因此带来浪费。
On the other hand, if the lock is held for a longer time, spinning is wasteful as the spinning thread consumes CPU without doing anything useful.
这款直板手机使用的是4.3英寸的弧面amoled屏幕，边缘没有物理按键，用户使用双击屏幕来锁屏或解锁。
The unibody phone has a 4.3-inch curved glass AMOLED screen with no forward facing buttons; users double-tap to lock and unlock.
一面锁着的金属门挡住了通往二楼的楼梯基座，这让1楼得房子感觉像是个笼子。
A locked metal gate blocked the base of the staircase leading to the second floor making the downstairs room feel like a cage.
应用推荐