Prepleuron
前侧片
🗣️ 情景例句
because the doctors and nurses are so busy?
因为医生和护士们都非常忙？
Hello, it's really great to talk about ourselves and get to know each other.
大家好，我们自我介绍并相互认识真是太好了。
The most wonderful piece of machinery on show was Nasmyth's steam hammer.
其中最奇妙的是内史密斯的蒸汽锤。