Addition bar
[机] 补助杆
🧩 词语组成解析
addition
[ə'diʃən]
n. 加，增加，附加;[数]加法;增加的人或事物;
bar
[bɑr]
n. 条，棒;（门、窗等的）闩;障碍;酒吧间;
vt. 闩（门等）;阻碍，封锁;排除，去除;
prep. 除…之外;
cod 表示”法律”,”账簿”;”密码本”##bar 木棒,障碍
🗣️ 情景例句
I made a lunch date with him and his daughter weeks ago.
几星期前我约好和他以及他女儿共进午餐。
No class!
真没水准！
and we have only to turn to that extraordinary discovery of echo-location in bats to see a case in which the voice plays a strictly utilitarian role.
我们只要看一看蝙蝠回声定位这一极不寻常的发现，就可以探究一下声音在什么情况下有绝对的实用价值。