Four-bar
四桿
?? 詞語組成解析
four
[f?r]
num. 四;四個;第四;
n. 四的;四個一組之物;
bar
[bɑr]
n. 條，棒;（門、窗等的）閂;障礙;酒吧間;
vt. 閂（門等）;阻礙，封鎖;排除，去除;
prep. 除…之外;
cod 表示”法律”,”賬簿”;”密碼本”##bar 木棒,障礙
??? 情景例句
That's amazing!
太令人吃驚了，真棒！
Out main aim is to please the customers.
我們的目的是讓顧客滿意。
and you avoid the frustration of arriving at the very moment when the train is drawing out of the station and being unable to get on it.
而且可以避免那種正好在火車駛出站時趕到車站，因上不去車而感到的沮喪。