直达: to go nonstop to, through (as in through train), nonstop...
沉重: heavy, hard, serious, critical...
专用: special, dedicated...
导游: tour guide, guidebook, to conduct a tour...
水分: moisture content, overstatement, padding...
物理: physics, physical...
母语: native language, mother tongue, (linguistics) parent language...
闲话: casual conversation, chat, gossip, to talk about (whatever comes to mind)...
样式: type, style...
再度: once more, once again, one more time...