Aircraft can avoid each other by going up and down, as well as by altering course to left or right.飞机可以通过上下升降和左右移动改变航线来避免相撞。Aircraft can avoid each other by going up and down, as well as by altering course to left or rig...
come under heavy criticism的音标：come under heavy criticism的英式发音音标为：[kʌm 'ʌndə 'hevi 'kritisizəm]come under heavy criticism的美式发音音标为：[kʌm 'ʌndɚ 'hɛvi 'krɪtɪˌsɪzəm]...