这些蜗牛体宽不超过1厘米。The snails are no larger than one centimetre across.一厘米可以无穷尽地分成更小的单位。A centimeter can be infinitely divided into smaller units.水位正以每天5厘米的速度上升。The water is advancing at a rate of 5cm a day....
...a multinational force aimed at ensuring that food and medicine get to needy Somalis.旨在确保将食物和药品送至贫困的索马里民众手中的多国部队Investment in fixed assets is an important vehicle for ensuring that the latest technology is available to...