Backgear
[机] 后列齿轮
🗣️ 情景例句
For payment we would prefer and L/C.
我们更愿意使用信用证的方式付款。
The problem has been bothering me for weeks.
那个问题已经困扰了我几个星期。
We aren't able to supply the third ad fifth items.
第三及第五项目，我们没有货供应。