Mastic
n. 乳香脂, 乳香, 胶合铺料\\n[化] 乳香; 玛┩脂; (抹墙用)厚浆涂料
✅ 同义词
📖 牛津释义
mastic
n[U]
1 gum or resin from the bark of certain trees, used in making varnish 乳香树脂.
2 type of pliable cement used for waterproofing joints in window-frames, roofs, etc 胶合铺料, 胶粘水泥（作窗框、 屋顶等填缝防水用的）.
🏥 医学释义
膏，胶，树脂
🗣️ 情景例句
How much notice of cancellation is necessary to get my deposit back?
想把定金拿回来，要提前多长时间通知你才行？
To gain teaches how to spend.
量入为出。
and we have to lower into the ground and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom.
我们必须把很长的钻杆一节节地钻入地下，然后再从地下拉出来。钻杆顶部安装的发动机带动钻杆旋转，它的底部装有钻头。