✅ 同义词
🗣️ 情景例句
The cloning of human organs is controversial.
人类器官克隆是极具争议性的。
I will go to Vancouver.
我将去温哥华。
These friendly dogs, which were first brought from Asia, were used as watchdogs even in Roman times.
那些最先从亚洲引进的狗，待人友好，早在罗马时代就给人当看门狗了。