Prenatal hygiene
[医] 产前卫生
🧩 词语组成解析
prenatal
[[pri:'neitl]]
a. 出生以前的, 孕期的\\n[医] 产前的, 出生前的
hygiene
['haɪdʒin]
n. 卫生，卫生学;保健法;
🗣️ 情景例句
Would you mind?
你们不介意吧
Which one do you want to buy?
你买哪一个？
it was not long before its use as the uniquely recognizable broadcasting frequency for interstellar communication was suggested.
提出把它作为星际间唯一可辨认的广播频率就为期不远了。