Csis
加拿大安全情报局（Canadian Security Intelligence Service）\\n战略与国际研究中心（Center for Strategic and International Studies）
🗣️ 情景例句
My final exam is next Tuesday.
期终考就在下周二。
How long have you been studying English?
你学了多长时间的英语了？
However, I am very determined.
然而，我已经下定决心了。