Laboratorial
a. 实验的, 实验室的
🗣️ 情景例句
You need to pay more attention to it.
你需要更加留心。
What have you done?
你究竟都做了些什么？
After it had passed, they swam on as quickly as they could because they knew that the boat would soon return.
快艇过去之后，他们以最快的速度向前游去，因为他们知道快艇马上就要转回来。