2: Vocabulary about “hand motion”
举一反三
- The hand steering is a method by which the motion of the rudder is controlled with （）.
- Which of the following is NOT an example of accelerated motion? A: Vertical component of projectile motion B: Circular motion at constant speed C: A swinging pendulum D: Earth’s motion about sun E: Horizontal component of projectile motion
- Angular motion about the vertical axis of a vessel is called_____
- Old English has a vocabulary of about _____ words. [ ]
- Which of the following statements are improper about hand shake?