Substrut
副撑
🗣️ 情景例句
Is it all right if I use my credit card?
如果我使用信用卡行吗？
To ride a bicycle
骑自行车
I think you probably know China has adopted a flexible policy in her foreign trade.
我想你也许已经了解到中国在对外贸易中采取了灵活的政策。