Mechanical prophylaxis
[医] 器械预防
🧩 词语组成解析
n. 预防\\n[医] 预防
🗣️ 情景例句
and how important it is for them to be paid attention to?
以及他们何等需要受人关怀吧？
Have but few friends though many acquaintances.
朋友要少，熟人要多。
Sitting down on a dilapidated wooden fence near the field, we opened a couple of tins of sardines and had a picnic lunch.
我们在田边一堵东倒西歪的篱笆墙上坐下来，打开几听沙丁鱼罐头，吃了一顿野外午餐。