我在帐篷里帮忙打杂。I helped out in the tents fetching and carrying.赫斯特伍德却在另一家旅馆里打杂.Hurstwood is hired by a different hotel to do menial jobs.汤姆为一些高年级学生打杂.Tom fagged for some elder boys....
他参与了石油、锌和铅的勘探。He was involved in oil, zinc and lead prospecting.黄铜是铜锌合金。Brass is an alloy of copper and zinc.铜与锌熔合成黄铜the fusion of copper and zinc to produce brass...
The drill should be slowly rotated to ensure a clean hole.钻头必须缓慢转动，以保证钻孔平整光滑。Goldsmith has repaired the roof to ensure the house is wind-proof.戈德史密斯修理了屋顶，以确保房屋能够抗风。Ensure that the frame is securely fixed to the ground wi...
你们得安排由你方银行将钱款电汇给我方银行。You will need to arrange a telegraphic transfer from your bank to ours.她电汇给他一笔钱.She cabled him some money.他将钱电汇给他儿子.He telegraphed money to his son....