?? 詞語組成解析
[醫] 二苯硫脲
vaccine
['v?ksi:n]
n. 疫苗，痘苗;
adj. 痘苗的，疫苗的;
??? 情景例句
You didn't ruin my day, Dad.
你沒有掃我的興， 爸爸。
If I wanted to rent a van, how much would it cost?
要是我租一輛搬運車，得花多少錢？
The sandwiches are all ready, said her mother. I made some dumplings last night, too!
“三明治全都做好了，”她媽媽說，“昨晚我還做了一些餃子哩！”