Pipeless
a. 无管的
🗣️ 情景例句
Come on in.
请进。
I hople yu can do well in the examinationgs.
我希望你的考试能成功。
so America and the EU have been trying to reach a deal which would eliminate the need to double-test many products.
美国和欧洲一直在寻求达成协议，以便为许多产品取消双重检查。