?? 詞語組成解析
lab
[l?b]
n. 實驗室，研究室;Lab,英國政治工黨;分析室;暗室;
??? 情景例句
My girl friend and I broke up.
我和我女朋友分手了。
Generally speaking, a contract cannot be changed after it has been signed by both parties.
一般來講，合同一經雙方簽訂就不得更改。
There is only one difference between an old man and a young one:
老年人和年輕人之間僅僅有一個不同：