Igf
abbr. 胰岛素样生长因子（Insulin-like Growth Factor）；国际遗传学联合会（International Genetics Federation）；插入系统元文件
🗣️ 情景例句
Bye, Marilyn. Hope to see you again.
再见 Marilyn。希望能再看到 。
Give me the rocket and boat, and I'll give you a sucker.
把那火箭和快艇给我，我就给你棒棒糖。
is as the proportion of the total vocabulary of his mother tongue against those words of his own baby talk that are taken up into the vernacular of his family.
就好像他本国语言的总词汇量和自己咿呀学语时他家庭所接纳的他的词汇量之比。