她的母亲有一个习惯性地陷入狂怒的病人。
沃尔特在口袋里摸索,一个他以前抽烟时形成的习惯性动作。
人们已经习惯性地期望一个身着制服的人具有良好的品质。
People have become conditioned to expect superior quality from a man who wears a uniform.
But if you go on a plane which is accelerating, you're no longer inertial.
但如果你上了一架加速飞行的飞机,你就不再处于惯性状态了
it's not that there's only one fortunate family of inertial observers.
并不是说只存在一种惯性观察者
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