Estratetraene
[醫(yī)] 四烯甲雌醇核
??? 情景例句
Hello, ... speaking. Who do you wish to speak to?
喂， 我是……你想找誰(shuí)？
I will be flying to Canada at this time tomorrow.
我將在明天這個(gè)時(shí)候飛到加拿大。
but few us have had the opportunity to find out.
但很少有人能有機(jī)會(huì)去弄個(gè)究竟。