背外侧基板dorsolateral: 背侧片; 背外侧的epibranchial placodes: 腮背基板dorsolateral column: 背外侧束,楔状束dorsolateral fasciculus: 背外侧束tractus dorsolateralis{拉}dorsolateral fissure: 背外侧裂下载手机词典可随时随地查词查翻译