n. 颗粒, 粒子, 质点, 极小量
They have managed to freeze polluting particles to around -18°C.
六级 · CET-6 2025年12月 第2套
A moon can indeed take on a moody blue color, but this only happens when particles of just the right size disperse through the sky-and it has nothing to do with the moon's status as "blue".
六级 · CET-6 2024年12月 第2套
They take over protective functions against soil erosion and landslides (塌方)；they make a significant contribution to the water balance as they prevent surface runoff; they filter dirt particles, greenhouse gases and radioactive substances from the air; they produce oxygen; they provide spaces for recreation and they preserve historic and prehistoric remains.
六级 · CET-6 2022年6月 第2套
That's the conclusion of a recently study, which analysed 259 bottles from 11 brands sold in nine countries, an average of 325 plastic particles per liter of water.
四级 · CET-4 2019年12月 第1套
alternate crown determine generated locating merged miniatures opting particles peak prematurely simply switching synonymous trend Directions: In this section, you are going to read a passage with ten statements attached to it.
六级 · CET-6 2019年12月 第2套