Clock test
[计] 时钟信号测试
🧩 词语组成解析
clock
[klɑk]
n. 钟，时钟;计时器;秒表;仪表;
vt. 记录（时间或速度）;测…的速度;
vi. 打卡;记下时间;
🗣️ 情景例句
What is your favorite sport?
你最喜欢的运动是什么？
I can see the brown wall of dust coming toward us with the wind.
风卷起褐色的墙壁似的滚滚黄沙，向这里袭来。
But here we come up against the most difficult of all obstacles to contact with people on other planets ----the astronomical distances which separate us.
然而，在和外星人联系中我们遇到的最大困难是分隔我们的天文距离。