Portable vacuum cleaner
[化] 移动式真空吸尘器
🧩 词语组成解析
cleaner
['klinɚ]
n. 清洁剂;保洁员;吸尘器;干洗店;
adj. 更清洁的(clean的比较级);整齐的;新的;正派的;
clean 清净+ er表人\/物 →清洁工；干洗店；干洗商；洗洁器
🗣️ 情景例句
The whole Stewart family is close. Stewart
全家人相处得很好。
Every extremity is a fault.
万事过分都差误。
Alternatively, if the star were small, the life-supporting planet would have to have a close orbit round it and also provide the perfect conditions for life forms to develop.
反之，如果恒星很小，维持生命的行星就要在离恒星很近的轨道上运行，而且要有极好的条件才能使生命得以发展，