| 釋義 |
orbit /'Mbit; 'orbit/ n path followed by a heavenly body, eg a planet, the moon, or a manmade object, eg a spacecraft, round another body: (一天體，如行星、月球或太空船等人造飛行物，繞行另一天體的) 軌道： the earth's ~ round the sun. 地球繞行太陽的機道。 How many satellites have been put in ~ round the earth? 有多少個人造衛(wèi)星已被射入環(huán)繞地球的軌道？ ，vi [VP6A, 2A, C] put into, (cause to) move in, ~ (round): 使進入軌迪; (使) 循軌道運行： When was the first man-made satellite ~ed? 第一顆人造衛(wèi)星是何時射入軌道的？ How many spacecraft have orbited the moon? 有多少艘太空船在繞月球軌道運行？ ~al /'abitl; brbitl/ adj of an ~: 行星 (衛(wèi)星) 軌道的： a spacecraft's ~al distance from the earth. 太空船軌道與地球的距離。 ~ velocity, minimal velocity needed to place sth in ~. 軌適速度 (使某物進入軌道所需的最低速度) 。 |