Uld
abbr. 超声探漏器（Ultrasonic Leak Detector）；超低剂量（ultra-low-dose）
🗣️ 情景例句
I'll call him right now. No point in delaying.
我现在就打给他。没有道理要拖拉。
The first element of success is the determination to succeed.
成功的首要因素是要有成功的决心。
You see, I put some soil in the box, sow the seed carefully like this, and then cover it with more soil.
你瞧，我在盒子里放些泥土，像这样小心地把种子播下，然后再用多一点儿的土盖住种子。