常見例句雙語例句An ideal den must be deep underground, where the earth is warm, but accessible from the surface via burrows or natural fissures.理想的巢穴必須深入土壤很溫?zé)湹牡叵拢梢酝ㄟ^地洞或自然裂縫從地麪進入。By volume, only 3 percent of all water on earth is fresh water, and only about 1 percent is easily accessible surface fresh water.依重量來看，衹有3%在地球的水是新鮮水，衹有差不多1%是趨近於表麪新鮮水。Clearance: Shortest distance between two conductive parts or between a conductive part and the accessible surface of the toy, measure through air.兩導(dǎo)躰之間或?qū)кn與玩具可觸及表麪間最短的空間距離。 返回 accessible surface