DEG in toothpaste has a low but meaningful risk of toxicity and injury to these populations.DEG在牙膏中含量低但长期毒性和损伤给这些人带来了危险.Colgate - Palmolive's toothpaste was said to contain a carcinogen.高露洁的牙膏也被说含有致癌物质.to squeeze a ...
Inbry caught me a dragonfly.英布里给我抓了一只蜻蜓.The dragonfly feeds on mosquitoes and flies.蜻蜓捕食蚊蝇.How does a dragonfly twirl and dive in flight?蜻蜓在飞行中是如何旋转和俯冲的?...
A great chunk of loose kerbing smashed into my left-front wheel, bursting the tyre and denting the rim...我车子的左前轮撞在一大块松动的路缘石上，导致车胎爆裂、轮辋凹陷。Other than blowing up a tyre I hadn't done any car maintenance.除了给轮胎充气外，我没做过任何...