Left cancellation law
[計] 左消去法則
?? 詞語組成解析
left
[l?ft]
adj. 左邊的，左側(cè)的;左派的;
n. 左，左面;[軍]左翼;左派，激進(jìn)分子;
adv. 向左;在左邊;
v. 離開( leave的過去式和過去分詞);
cancellation
[k?ns?'lei??n]
n. 取消;<數(shù)>（相）約;被取消的事物;作廢;
law
[l?:]
n. 法;法學(xué);規(guī)律;法制;
vt.& vi. [口語、方言]訴諸法律，對…起訴，控告;
vt. 控告;對…起訴;
??? 情景例句
And right now, he needs a friend.
而且現(xiàn)在， 他需要一個朋友。
What's the population of China?
中國有多少人口？
First the electroencephalograph (which is simply a device for recording the electrical activity of the brain by attaching electrodes to the scalp) shows that while there is a change in the pattern of activity during sleep,
第一點(diǎn)，腦電圖記錄儀（不過是一種把電極接到頭皮上記錄腦電活動的儀器）顯示，人在睡眠時大腦活動的方式有變化，