and that their rims are clean and dry.
瓶口清洁干燥。
新概念英语第四册 Lesson 38 Water and the traveller

📚 句中词汇解析

从本句中提取的重要词汇

clean [klin] 词频1
adj. 清洁的;整齐的;新的;正派的; vt.& vi. （使）清洁;变干净;除去…的灰尘;使…干净; vi. 清扫; adv. 完全地，彻底地; n. 打扫;
💡 玻璃很clean（干净），可以看到天空很clear（睛朗）
"a clean-cut all-American boy"
整洁体面的典型美国男孩
近义：lather, lave, mop, rinse, rub, scour 反义：maculate, muddy, attaint, smear, smirch, smooch
RIMS
[计] 远程信息管理系统

📚 更多「新概念英语第四册」例句

So was born the echo-sounding apparatus, now in general use in ships.
这样就产生了目前各种船舶上普遍应用的回声探测仪。
with their fellow scientists either in other countries or in universities,
和其他国家、其他大学同行们
It tires not, nor does it boast of its power;
它既不疲劳，也不炫耀自己的飞翔力；
The remains of plants and animals that lived on land are much more rarely preserved, for there is seldom anything to cover them over.
曾在陆地上生活过的动植物的遗体被保存下来的更为罕见，因为陆地上几乎没有什么东西覆盖它们。
then administrative overheads will be low.
行政管理费用就会降低。
like adolescents they stand before the mirror,
犹如希腊神话中那位漂亮少年，