Anectasis
原发性肺不张
🗣️ 情景例句
The baby-sitter called.
临时保姆打电话来了。
It won't happen again.
下不为例。
it naturally limits all those engaged in carrying it out from effective contact
那些从事科研的人员自然受到了限制。他们不能进行有效的接触