(一):Welcome to our factory. 欢迎参观我们的工厂。A: Welcome to our factory. 甲：欢迎参观我们的工厂。 B: I hope we haven't put you to any trouble. 乙：希望我们没有给您添麻烦。 You are welcome to our factory. 欢迎来到我们的工厂。 We welcome your arrival to take a look. 欢迎您来参观。
Welcome, ladies and gentlemen. 女士们，先生们，欢迎你们。
(二):Put your helmet on, please. 请戴上安全帽。 A: Put your helmet on, please. 甲：请戴上安全帽。 B：Definitely yes. 乙：当然要的。 You all have to wear this hard hat for the tour. 参观时必须戴上安全帽。 I'm afraid you'll have to wear an overall. 您要穿上工作服。 Please watch your step. 请注意脚下。 Please don't touch these metal cables. 请不要碰那些金属电缆。
