abbr.Photo-Optical Terrain Simulator 光学地面模拟器;
例句:
Our camping rig includes cooking pots and sleeping bags.
我们的野营装备包括锅子和睡袋.
I sow the seed in pots of soil-based compost.
我把种子种在几盆掺有堆肥的土里。
He must have pots of money.
他一定有很多钱。