Sinus node
竇房結(jié)
?? 詞語(yǔ)組成解析
n. 竇, 靜脈竇, 凹陷處
node
[n?ud]
n. 節(jié)點(diǎn);（計(jì)算機(jī)網(wǎng)絡(luò)的）節(jié)點(diǎn);[醫(yī)]結(jié)節(jié);植物的節(jié);
??? 情景例句
You.
你。
He has been working in advertising for ten years, but now he is teaching.
他曾經(jīng)在廣告公司服務(wù)十年，但現(xiàn)在在當(dāng)老師。
Let's do that.
那就這么說(shuō)定吧？