61阅读

整个短语的意思是“扮演...角色，起...作用”，part/role 前通常有一个形容词来修饰。如：China plays an important part/...

rated the mucosa to suck blood.虫体钻入粘膜吸血.13. Peter heard him suck in breath throu...

n.现在送小孩上大学可真得花大笔钱；我们得每个月存些钱好让她能够在涉生出世之前先受到良好的教育。2. sock in(因气候关系)关闭(机场)这里的sock只是...

ry signal 啥意思？M-ary signal 啥意思?M-ary signal 啥意思？的参考答案M-ary signalM元（或M准位）信号三 : A...